summary.survfit {survival}  R Documentation 
Returns a list containing the survival curve, confidence limits for the curve, and other information.
## S3 method for class 'survfit' summary(object, times, censored=FALSE, scale=1, extend=FALSE, rmean=getOption('survfit.rmean'), ...)
object 
the result of a call to the 
times 
vector of times;
the returned matrix will contain 1 row for each time.
The vector will be sorted into increasing order;
missing values are not allowed.
If 
censored 
logical value: should the censoring times be included in the output?
This is ignored if the 
scale 
numeric value to rescale the survival time, e.g., if the input data to

extend 
logical value: if TRUE, prints information for all specified 
rmean 
Show restricted mean: see

... 
for future methods 
a list with the following components:
surv 
the estimate of survival at time t+0. 
time 
the timepoints on the curve. 
n.risk 
the number of subjects at risk at time t0
(but see the comments on weights in the 
n.event 
if the 
n.entered 
This is present only for counting process survival data.
If the 
n.exit.censored 
if the 
std.err 
the standard error of the survival value. 
conf.int 
level of confidence for the confidence intervals of survival. 
lower 
lower confidence limits for the curve. 
upper 
upper confidence limits for the curve. 
strata 
indicates stratification of curve estimation.
If 
call 
the statement used to create the 
na.action 
same as for 
table 
table of information that is returned from 
type 
type of data censoring. Passed through from the fit object. 
survfit
, print.summary.survfit
summary( survfit( Surv(futime, fustat)~1, data=ovarian)) summary( survfit( Surv(futime, fustat)~rx, data=ovarian))