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Date:         Wed, 31 Aug 2005 17:15:54 +0200
Reply-To:     Marta García-Granero
              <biostatistics@terra.es>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         Marta García-Granero
              <biostatistics@terra.es>
Organization: Asesoría Bioestadística
Subject:      Re: KaplanMeir
In-Reply-To:  <s3158ac6.084@ngate01.cdha.nshealth.ca>
Content-Type: text/plain; charset=ISO-8859-15

Hi Terry,

TR> I'm new to SPSS and I'm wondering if anyone has any examples on how to TR> do KaplanMeir Patient Survival and Graft Survial curves for transplant TR> patients.

* See: http://www.graphpad.com/prism/learn/Survival%20analysis.pdf on survival after transplant.

* Control (n=8): 46 46+ 64+ 78 124 130+ 150+ 150+ * Treated (n=9): 9 26 43+ 46 64 75 100 130+ 130+

* (+) indicates censored data - subjects withdrawn alive.

DATA LIST LIST/group (F8.0) time (F8.0) status (F8.0). BEGIN DATA 1 46 1 1 46 0 1 64 0 1 78 1 1 124 1 1 130 0 1 150 0 1 150 0 2 9 1 2 26 1 2 43 0 2 46 1 2 64 1 2 75 1 2 100 1 2 130 0 2 130 0 END DATA.

VALUE LABEL group 1'Control' 2 'Treated' /status 0'Alive' 1'Died'.

KM time BY group /STATUS=status(1) /PRINT TABLE MEAN /PLOT SURVIVAL /TEST LOGRANK /COMPARE OVERALL POOLED .

* Using the GUI: * ANALYZE - SURVIVAL - KAPLAN-MEIER: * TIME: time * STATUS: status * DEFINE EVENT: SINGLE VALUE: 1 * CONTINUE * FACTOR: group * COMPARE FACTOR: Select 'Log-Rank' * CONTINUE * OPTIONS: Select 'Plots: Survival'. * CONTINUE * OK

Regards

Marta


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