User's Guide to SEER*Stat Cohort Relative Survival
Contents
1. A ONE 5 20 Credle and save d new Survival SES SION iaci ia aa ad a N awuaseesaddeeaikexseaweRGian 6 20 Upen an eXe SULVIVG SESSIONE sssrini n E E E A SNARE 6 Ni IL a A AEA A A AAEE 6 T Gt 2 a E A E E E A T AA E eee een eee 7 Os CLOG Oe TOL eae hss oes Ae es ee sas sk A AEE cn 8 6 Create variables in the Dictionary for the Table tabe icccccccccsccccccccccccssseessccceeeeeeesssseeeceeeeeaaeesseeeeeeesaaaeeeeceeeeeeaaaaneees 9 Te MV I eaa se oes ct sete se SEAS es EEA SAAS SAAS Es E 15 FO eS 2 5 E E AE A E A EEE 16 OT E E E E A A E ented 17 IU Execute the Survival Session secirrrrseirreniro nern EENE NENESE NENEA KOEKENAAP 19 I 1G Save the results mm SEER Sll esesiietseocecrsswstiptes cscs ied aectcraacbdreeadtesseacaitvauis EEA NEE AEA A EAEra 19 llb Save the results and session information in Excel ccccccccccccccccccccscssseseccecceeeeaeeseseceeeeeaaaeeeeeeeeesaaaaasaeseeeeeaaaaess 20 12 Retrieve and print Survival session information ee eeeesssssssssssseseenresssssssssssssssettrrrrrsssssssssssseeeerreeeessssssssssssees 21 Kor a E recess iatvuttsaeeisenseeaese 23 C SPAN SEER Stat Cohort RS User s Guide Page 2 sorgoesy DO umeucen QQ CancerCare Pall ool Ll pay talon cht agi b Maniloa Overview This document describes the SEER Stat 1 steps used by the Cancer Survival and Prevalence Analytic Network C SPAN to estimate relative survival using the cohort method The following example session describes the steps for2. Oral EsophagqusQesp Stomach Colo Rectal Liver Pancreas Larynx Lung Welanoma Breast Cerdx Bodyof ters Qvany Prostate Tests Bladder tincin stu Kidney Brain Thyroid Hodgkins Gisease non H Lymphoma kdutiple ktyeloma Leukemia Other Colo Redal Colo Regal Lung Lung Breast Breast Prostate Prostate Others Oral EsophagustQesp Stomach Uwer Pancreas Larynx kelanoma Cenix BodyofUbems Quary Tests Bladder jincin stu Kidne Brain Thyroid Hodgkins Gisease non H Lymphoma kdutiple wheloma Leukemia Other Year of diagnosis 3 yr windows 94 05 Year of diagnosis Resonpton MAAC CR bem 390 3 yr windows Click amp to print C SPAN SEER Stat Cohort RS User s Guide Page 22 verge 8G E A CancerCare hy i Manitoba Fi WTE i m EE eee r kal dAil iru dmn ea L bT References 1 National Cancer Institute SEER Stat software Version 6 5 2 Bethesda MD National Cancer Institute 2009 Canadian Cancer Society s Steering Committee Canadian Cancer Statistics 2009 Toronto Canadian Cancer Society 2009 Fritz A Jack A Parkin DM et al eds nternational Classification of Diseases for Oncology Third Edition Geneva World Health Organization 2000 Millar WJ David P Life Tables Canada and the Provinces 1990 1992 Statistics Canada Catalogue 84 537 Ottawa Minister of Industry 1995 Duchesne D Tully P Thomas B Bourbeau R Life Tables Canada Provinces and Territories 1995 1997
3. Statistics Canada Catalogue 84 537 Ottawa Minister of Industry 2002 Life Tables Canada Provinces and Territories 2000 2002 Statistics Canada Catalogue 84 537 Ottawa Minister of Industry 2006 C SPAN SEER Stat Cohort RS User s Guide Page 23
4. lines Display Statistics As Percents ha iplay Statistics As Set Defaults Number of Decimal Places EE M Flag Relative Cumulative SEs Greater Than li U0 4 Suppress Pages with Fewer Than 25 Cases Alive Adjust Relative Rates Over 1 0 Adjust for Heterogeneity in Withdrawal Exact Method Simplified Method Accept defaults except e Deselect Adjust Relative Rates Over 1 0 e Deselect Adjust Increasing Relative Rates Optional File Save or Gi button C SPAN SEER Stat Cohort RS Users Guide Page 18 voryyae DE wun QF CancerCare ok eG SAE i a STORE L i EX j Z et Lela Tale on cto vg i Mat Hild i ki 10 Execute the Survival session Session Execute or button e Results are displayed in the Survival matrix Use d d Summary Aates Male and female b h to view each page Male and female Male Female i7 SEER Stal 6 5 2 File Edit Matrix Window Help Ca amp YP E a i a d d Summary Rates Male and female bo h amp P TE Survival Matrix 4 Page Summary Aates Male and female 1994 6 Observed Expected SE Obs SE Rel Obs Cum Cls Obs Cum Cls Al 42mof 14600 715 96 6 74 1 0 4 0 4 70 8 72 3 12 mo 1823 76 1 96 0 79 3 1 0 1 0 74 1 73 0 12 mo 2077 390 96 7 40 4 11 11 36 9 41 1 12 mo 2073 94 4 97 8 96 5 0 5 0 5 93 3 95 3 Prostate 12 mo 2204 926 95 4 971 0 6 0 6 51 4 93 6 Others 12 mo 6423 662 96 7 68 4 0 6 0 6
5. 65 0 67 3 gt Actuarial method Ho adjustment for heterogeneity Confidence interval Logl Logl Transformation The lewel is 952 11a Save the results in SEER Stat Click anywhere inside the Survival Matrix window to ensure it is active File Save As filename ssmM ssm survival matrix file and or C SPAN SEER Stat Cohort RS Users Guide Page 19 vorgeese DA umneuen YF CancerCare SSS eS Manitoba 11b Save the results and session information in Excel Click anywhere inside the Survival Matrix window to ensure it is active Edit Copy All Pages for results In Microsoft Excel Edit Paste File Save As filename xl s File Edit wiew Insert Format Tools Data Window Help ee a ee eee Bate Arial J fe Rates hale female EE Inates Male and a 1994 6 1994 6 1994 6 1994 6 1994 6 1994 6 1994 6 h bsered Expected Relative SE Obs SE Rel Obs Cum 4 All 12 mo 14600 71 50 956 60 74 10 0 40 0 40 70 80 ColoRect 12 mo 1823 76 10 96 00 79 30 1 00 1 00 74 10 Lung 12 mo 2077 38 00 96 70 40 40 1 10 1 10 36 490 Breast 12 mo A073 94 40 9700 96 50 0 50 0 50 93 30 Prostate 12 mo 2204 9260 95 40 97 10 0 60 0 60 91 40 Others 12 mo 6423 66 20 96 70 68 40 0 60 0 60 65 00 Actuarial method Mo adjustment for heterogeneity Confidence interwal Logf Log Transformation The level is 95 summary Rates hMale 1994 5 19954 5 1994 5 1994 5 1994 5 1994 5 1994 6 p Obsewe
6. CANADIAN PARTNERSHIP PARTENARIAT CANADIEN AGAINST CANCER Ne J CONTRE LE CANCER _CANCER SURVEILLANCE AND EPIDEMIOLOGY NETWORKS RESEAUX DE SURVEILLANCE ET D EPIDEMIOLOGIE DU CANCER A CancerCare MANITOBA User s Guide to SEER Stat Cohort Relative Survival Including Conditional Survival Cancer Survival and Prevalence Analytic Network C SPAN Prepared by CancerCare Manitoba for the Canadian Partnership Against Cancer The Cancer Surveillance and Epidemiology Networks have been made possible through a financial contribution from Health Canada provided by the Canadian Partnership Against Cancer The views expressed herein do not necessarily represent the views of the Canadian Partnership Against Cancer nor that of Health Canada Citation Material appearing in this report may be reproduced or copied without permission however the following citation must be used The Cancer Survival and Prevalence Analytic Network C SPAN is an initiative of the Canadian Partnership Against Cancer in collaboration with CancerCare Manitoba i arama AE e ae ll ok ae CancerCare ee Be SATO Ay a iLi ESE f i i Pret Le cal tae oa pcb vg gt Miat Hild i ki Table of Contents OV ECW AEA TEANN E ESAE A EAS AAIE AE EEA AAAS AA E AAS ASEN AEAEE EI AETA IE AAEN A E AE 3 Dil E 3 Eie RCS o A S 3 Description of the SEER Stat Steps for Cohort Survival Estimates ccccccccsssssssssssssssssssscsscsccccccsccssscssssssees 5 L CEI A O er N E A
7. Locations User Vanables CAD ocuments and Settings4qmak hy Documents Browse Temporary Files CAD ocuments and Settings gmak Local Settings Browse Default Font for Matrix arial 8 point Change Defaults Printing Uptions M Use Shading When Printing M Print User defined Variable Definitions Start Each Matrix Page On New Print Page Tum On Warning Messages OK Cancel Help A W Save User Variables to Dictionary Show Preferences Dialog at Start Click Browse to the path where databases are stored e g Epi SeerStatDatasets Click ee eee e The path appears at the bottom of the Data Locations list selected and highlighted M E With the path selected and highlighted click P until itis at the top of the Data Click e Databases stored in the added data location will now appear in session Data tabs C SPAN SEER Stat Cohort RS Users Guide Page 5 sorgoesy DE eeu QQ CancerCare mame Sab Maniloa 2a Create and save a new Survival session File New Survival Session or A button e Warning may appear Not to be quoe outside the een Select Do not show this message in future A amp A Alert may appear Could not locate the default expected rate table Switching to first available table Click Optional File Save As filename ss ss survival session file Note Itis not necessary to save a se
8. abase dictionary s In the Dictionary window Click less Optional File Save or Ci button C SPAN SEER Stat Cohort RS Users Guide Page 14 Oo emma A CancerCare oes Sale Maniloa 7 Table tab SummaryRates ss E Ioj x Data Statistic Selection Table Parameters Output Display Varnables Dimensions Apple Only to Cumulative Summary Tables Move Up Move Down Column n ear of diagnosis 3 yr windows Remove Ayallable Yarables HQ Age at Diagnosis Page Race Sex Year Ds State County Year of diagnosis J Addr at D state J County at Dis State county Race recode white Black Other Sie and Morphology Stage In Available Variables Expand Race Sex Year Dx State County Select Sex Click Page e Sex appears under Page in Display Variables In Available Variables Expand User Defined Select CCS4 Click Bow e CCS4 appears under Row in Display Variables In Available Variables Expand User Defined if necessary Select Year of diagnosis 3 yr windows Click Column e Year of diagnosis 3 yr windows appears under Column in Display Variables Optional File Save or Gi button C SPAN SEER Stat Cohort RS Users Guide Page 15 Aree eae P Manitoba Yenea amp CancerCare 8 Parameters tab SummaryRates ss a O x Data Statistic Selection Table Parameters Output Inter
9. d Expected Relatwe SE Obs SE Rel Obs Cum All 12 mo PIO 0 40 95 90 73 40 0 50 0 50 69 30 ColoRect 12 mo S66 760 95 70 01 10 1 30 1 40 74 90 Lung 12 mo 1240 36 10 95 90 SF r0 1 40 1 40 35 50 Breast 12 mo 12 3 30 94 10 50 50 10 50 11 40 48 20 Prostate 12 mo 2204 92 60 95 40 97 10 0 60 0 60 91 40 Others 12 mo 3206 65 90 96 20 60 50 0 50 0 905 64 20 Actuarial method Mo adjustment for heterogeneity Confidence interwal Logi Log i Transformation The level is 95 The width of the confidence interval is greater than 5 times the standard error The statistic could not be calculated 0 00 J 00 OT Ss lo Roy Cy oo Oo yo oo Oo ho a e ie Summary RategiF emale It is good practice to save the session details in the same spreadsheet as the results in a worksheet tab with a different name To do so C SPAN SEER Stat Cohort RS User s Guide Page 20 woyyoren DE wneuren Mg CancerCare R A b Manitoba Click anywhere inside the Survival Matrix window to ensure it is active Edit Copy Session Information In Microsoft Excel in the same spreadsheet as above but in a new tab Edit Paste File Save As filename xls 12 Retrieve and print Survival session information If a session is closed without being saved it can be retrieved if its resulting Survival matrix has been saved File Open Survival File or i button path filename ssm ss
10. e Page 13 vorsyyoeees 00 manners A CancerCare a S Maniola gt To create Year of Diagnosis variable groupings Expand Race Sex Year Dx State County in Dictionary window select Year of Diagnosis Click isz to open the Edit Variable window Name change to Year of diagnosis 3 yr windows Description Edt and change to NAACCR Item 390 3 yr windows Groupings column Select all 16 groupings i e Total 1992 2006 Click Pte to clear all the individual year groupings kkkkkkkkkkkkkkkkkkkkkkkkkkkkk Values column Select 1994 1995 1996 Click 444 Select 1997 1998 1999 Click 444 Select 2000 2001 2002 Click 4 Select 2003 2004 2005 Click 4 e 1994 1997 2000 2003 appear in the Groupings column the new groupings take the name of the first year selected for the grouping from the Values column Groupings column Rename 1994 as 1994 6 Rename 1997 as 1997 9 Rename 2000 as 2000 2 Rename 2003 as 2003 5 e When each is selected in the Groupings column the corresponding years are highlighted in the Values column kkkkkkkkkkkkkkkkkkkkkkkkkkkkk Ensure Save to Dictionary is selected M Save to Dictionary Click Newly created Year of diagnosis 3 yr windows variable appears in the Dictionary window in the User Defined category fh a user defined or merged variable saved in the dat
11. elected Male and Female Male Female Add Update Add All Add Rest up Dn Rename Delete W Save to Dictionary Cancel Help Ze Groupings column Select Male and female e In the Values column both Male and Female are highlighted to indicate they are included in the Male and female grouping Groupings column Select Male e In the Values column Male is highlighted to indicate it is included in the Male grouping Groupings column Select Female e In the Values column Female is highlighted to indicate it is included in the Female grouping _ Click Cancel C SPAN SEER Stat Cohort RS Users Guide Page 11 SILL ad Se 25 aap iea i CancerCare cok Jka SE Tease aa Manitoba gt Tocreate CCS Disease variable groupings Expand Site and Morphology select CCS Click eae i to open the Edit Variable window Name change to CCS4 Description Edt and change to Top 4 CCS 2009 Disease Groups Groupings column Select all 24 groupings i e Oral Esophagus Oesp Other Click Dete to clear all the individual cancer type groupings kkkkkkkkkkkkkkkkkkkkkkkkkkkkk i Click Adda Select Added as one grouping all values combined Click e All Values appears in the Groupings column e All 24 cancer types are highlighted in the Values column Groupings column Rename All Values as All kkkkkkkkkkkkkkkkkkkkkkkkkkkkk Va
12. g Unknown LUD Exclude From Analysis zion include 42 Dead Specified Cause Delete i include 4s Censored 0 nelude amp s Dead Other Causes Accept defaults except e Select Expected Rate Table CSPAN_Compare_Survival Optional File Save or i button C SPAN SEER Stat Cohort RS Users Guide Page 7 Ba Ni Pe a Sie bE CancerCare ad SR E cok Jka SE W SCPE Le LAHELE Taal gD bl Copal eal cle aap dite Manitoba i ad 5 Selection tab J SummaryRates ss O X Data Statistic Selection Table Parameters Output Standard Caze Selections Select Only Exclude Microscopically Confirmed M All Death Certificate Only and Autopsy Only IW Actively Followed IW Based on Multiple Primaries Malignant Behavior Second and Later Primaries W Sex Male or Female All Records for Persons with Multiple Primaries M Known Age Gases in Limtted Use Database Exclusions to Match the Expected Rate Table M Age Values Not Found in Rate Table I Invalid Year M Values Hot Found for Other Rate Table variables Case Selection Edt e ear Accept defaults except e Deselect Malignant Behavior Optional File Save or Gi button C SPAN SEER Stat Cohort RS Users Guide Page 8 senos G meen Wy CancerCane IT ANE W E aaa S SLT 6 Create variables in the Dictionary for the Table tab gt Variable groupings needed Il Sex Male and female already exists in t
13. groups for primary site based on ICD O 3 8 Life Tables Life tables shared by Larry Ellison at Statistics Canada which are used in the computation of relative survival estimates for the CCS publication 2 are also used in C SPAN s SEER Stat applications These life tables provide probabilities of surviving one year by province sex attained age and attained calendar period 1991 1996 and 2001 Cases where attained year is from 1992 to 1993 are associated with probabilities of Surviving from the 1991 calendar period data from the 1990 1992 life tables 4 cases where attained year is from 1994 to 1998 are associated with probabilities of surviving C SPAN SEER Stat Cohort RS Users Guide Page 3 wegen DO umeren YF CancerCare SOURS CANINE ig gf STE RELG CHELE ae Ss Manitoba from the 1996 calendar period data from 1995 1997 life tables 5 and because life tables after 2001 are unavailable all cases where attained year is after 1998 are associated with probabilities of surviving from the 2001 calendar period data from the 2000 2002 life tables 6 C SPAN SEER Stat Cohort RS Users Guide Page 4 Description of the SEER Stat Steps for Cohort Survival Estimates 1 Set Data Locations File Preferences Preferences Data Locations M Locak EpiSeerStatD atasets Add Server Loca C SEER_1973 2006 SEERSTATS Data Client Server ssp seerstat cancer gow 2038 Remove Up On Other
14. he Dictionary no need to create it Male already exists in the Dictionary no need to create it Female already exists in the Dictionary no need to create it li CCS Disease All i e all cancer types Colorectal Lung Breast Prostate Others i e all cancer types except colorectal lung breast and prostate ili Year of Diagnosis 1994 1996 1997 1999 2000 2002 2003 2005 C SPAN SEER Stat Cohort RS Users Guide Page 9 iF Fi 12 a PEE a w v nE HEF H FQ unnur easan A CancerCare ae Marnmioba as E E i File Dictionary or button Database CSPAN Compare Age at Diagnosis Close Race JEK Year Ds State County EX Help Year of diagnosis Addr at D state County at DX Create State county 7 Race recode White Black Other Site and Morphology Stage Extent of Disease Race and Age case data only Merge Geographic Locations Dates Uther Import User Defined edit Delete Export Categories P EFE EEE Ek C SPAN SEER Stat Cohort RS Users Guide Page 10 vorgeoese DA omeuen QF CancerCare a A A a a a Manitoba gt Toview and verify existing Sex variable groupings Expand Race Sex Year Dx State County select Sex Click 2 J to open the Edit Variable window Hame Sex Category User Defined hi Description MAACO ltem 220 Edit Groupings Values 2 S
15. itional on having survived the first year after diagnosis again expressed in months as 12 72 Note the differences from the example above the largest interval specified must not be greater than the total number of intervals specified in this case 72 In order to have the special intervals represented in the output the checkbox for Include special intervals conditional survival must be checked J Survival Session 1 Data Statistic Selection Table Parameters Output Dates Intervals Begin ate of diagnosis recode Number 72 Monts Per i e End Date of follow up recode b fa e ao Vital Status Vital status recode study cutoff used Month fear ee ante e00F Study Cutofs Dec 2008 nelude Uth Interva peCial lntervale Ganditional Survival Lost to Follow Up Dec 2008 12 60 1 2 72 Display Cumulative Summary W Cumulative Summary Interval 12 24 36 45 60 Define Standard Life CW Tnchide Special Intervals Conditional Survival E Include Median Survival Bo Interval Dimension Row C Column None W Observed E W Expected i Standard Errors W Relative W Confidence Intervals 9 Output tab C SPAN SEER Stat Cohort RS User s Guide Page 17 Pali Piha Hi z CancerCare ad ee za cok Jka SE i SCOPE Li LAHELE les eal Ll ely lice pi lag Mart nite SummaryRates ss 4 O x i ad Data Statistic Selection Table Parameters Output Title Up to 5
16. lues column Select ColoRectal Click 1 Select Lung Click 1 Select Breast Click d aa Select Prostate Click e ColoRectal Lung Breast Prostate appear in the Groupings column e When each is selected in the Groupings column the corresponding cancer type is highlighted in the Values column kkkkkkkkkkkkkkkkkkkkkkkkkkkkk C SPAN SEER Stat Cohort RS Users Guide Page 12 Values column Select all cancer types except ColoRectal Lung Breast Prostate Click e Oral appears in the Groupings column the new grouping takes the name of the first cancer type selected for the grouping from the Values column e 20 cancer types all except ColoRectal Lung Breast Prostate are highlighted in the Values column Groupings column Rename Oral as Others kkkkkkkkkkkkkkkkkkkkkkkkkkkkk Ca Click Ensure Save to Dictionary is selected M Save to Dictionary in the User Defined category aul a user defined or merged variable saved in the database dictionary Database CSPAN Compare Age at Diagnosis Close Race Sex Year De State County Site and Morphology Help Stage Extent of Disease Race and Age case data only Geographic Locations Dates Other User Defined E E E E E Create Edit DE Delete Merge Import Export Categories Find POWER PEE e C SPAN SEER Stat Cohort RS Users Guid
17. m survival matrix file Matrix Retrieve Session e A Survival session opens with all the settings used to generate the matrix To ensure it is active click anywhere inside either a the Survival Matrix window to print the matrix and session information or b the Survival Session window to print session information only File Print Preview e A preview of pages to be printed opens Use Page 1 e Pl to view each page C SPAN SEER Stat Cohort RS User s Guide Page 21 od ee Fi Wi Pe a ee E coke a SSE SCPE Le LAHELE Ee iq Paget bl Chose FER Stat Vem br 652 Session Type mggested Citation Software Data Data Database Stati stiz Statistic hMethod Include Expected Rates Selection Select Only Exclude All Table Page Row Column User Definitions GM SummaryRates 4x3mo ssm Sumival Surveillance Research Program Natonal Cancer hiirte EEF Stat sobuare www seer cancer gowseerdati wersan G52 Mdantoba Cancer Regis fom April 2009 Temporary CS PAN Compare Relative Sumival Aduanal g5 Contidence ntenals CS PAN Compare_Surndwal Actively Followed Known Age lale or Female Sex Second and Later Pomares Death Cerfiicate and Autopsy Age Motin Rate Table Year Motin Rate Table kdateh Mot Found for Other Rate VWanables Jex CCS4 CCS Year ofdiagnoss 3 9 windows 9405 Year ofdiagnoss COS4 CCS Descipion Top 4 CCS Disease All
18. obtaining one year cohort relative survival estimates based on 3 month follow up intervals for all cancers colorectal lung breast and prostate cancers and all cancers excluding colorectal lung breast and prostate Estimates are produced for four three year diagnosis periods 1994 1996 1997 1999 2000 2002 and 2003 2005 However the selections made in this session can easily be tailored to your specific situation In addition instructions are given to show how to compute conditional survival that is survival proportion or ratio at a specified interval post diagnosis conditional on an initial Survival interval through the parameters tab Note that the graphics displayed in the document were derived from screen captures of actual SEER Stat sessions However this document has grown over time and some of the SEER Stat versions used may not be current The default options and placement of options within a given SEER Stat tab may differ between what is displayed here and what can be seen in a more current version Data The survival analyses employ data extracted from the Manitoba Cancer Registry and include the first primary invasive malignant cancer excluding basal and squamous cell skin cancers or in situ bladder cancer diagnosed during the period 1992 2005 with complete follow up until the end of 2006 C SPAN cancer site definitions follow the 2009 Canadian Cancer Statistics CCS groupings 2 which are in turn based on SEER site
19. ssion if it will be executed and a results matrix saved before closing the session When a results matrix is saved information about the session that created it is also stored and can be retrieved as needed using Retrieve Session from the Matrix menu or 2b Open an existing Survival session File Open Survival File or i button path filename ss_ ss survival session file 3 Data tab Select Database Name CSPAN_ Compare e FN Warning may appear Not to be quoted outside the registry Select Do not show this message in future Alert may appear Could not Gate the saved expected rate table Switching to default Click Optional File Save or Gi button C SPAN SEER Stat Cohort RS Users Guide Page 6 i ad ote ere ee CancerCare Topload e lop b Maniloba i 4 Statistic tab SummaryRates ss E O x Data Statistic Selection Table Parameters Output Cancer Survival Measures C Observed Survival Only Period Survival Method Actuarial Kaplan Meier Net Survival Absence of Uther Causes of Death Relative Survival Cause Specific Survival Crude Probability of Death Presence of Uther Causes of Death Confidence Intervals Level 95 pa Using Expected Survival C Using Cause of Death Expected Rate Table cs PAN Compare Survival Definition of Tause of Death peser Missin
20. vals Mumber 4 Months Per Bo Humber oreas af Pernod Survival Manmum 1 Ears 5 years per Lohork 2 Period Survival Estimate Years 2005 Include Oth Interval D 2008 Le EUiili E Special Intervals Conditional Survtyal Lost to Follow Up Dec 2008 Cumulative Summary Interval E Define T Include Special Intervals Conditional Survival Include Median Survival Interval Dimension f Row C Column M Observed Crude Iw Expected MW Standard Errors IW Relative Dates End Date of last contact recode z Vital Status Wital status recode study cutoff used Month Year Display M Cumulative Summary Standard Life Period Contributors Std Life 2 Test Interali Hone W Confidence Intervals Accept defaults except e Intervals Number 4 Months Per 3 e Cumulative Summary Interval 4 Choosing these will provide one year cumulative survival estimates based on 3 month intervals Optional File Save or Gi button Optional Conditional survival Below is an example of how to specify two conditional survival estimates The first representing surviving to 5 years after diagnosis conditional on having already survived the first year expressed in months of C SPAN SEER Stat Cohort RS Users Guide Page 16 2 emu CancerCare sees Sal Maniloa survival as 12 60 The second survival to the 6 year post diagnosis cond
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