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st: RE: kaplan-meier curves

From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   st: RE: kaplan-meier curves
Date   Wed, 29 Jun 2005 21:40:21 +0100

I'd say that a Kaplan-Meier curve, or any other representation 
of the survival function, is defined to start at 1. No matter: 
it sounds as if you might want a plot of the (cumulative) 
distribution function. Among other possibilities there is a 
program -distplot- dedicated to this. -search distplot- will 
show locations. 

[email protected] 

Jack Rabi MD, FRCPC
> I am new to Stata. I am trying to create a Kaplan-Meier curve for time
> till an event (time from birth until infants achieve a target oxygen
> saturation).  I would like the curve to start at 0 (y axis) 
> and increase
> as more infants reach the target saturation.  However, the default
> appears to start at 1.0 (100%) and decrease with time.  I am able to
> reverse the y axis but this is only cosmetic as the curve starts near
> the x-axis but the bottom of the y axis is labeled as 1.0.  Any help
> would be greatly appreciated.

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