ard_survival_survfit_diff {cardx}

ARD Survival Differences

Description

Calculate differences in the Kaplan-Meier estimator of survival using the results from survival::survfit().

Usage

ard_survival_survfit_diff(x, times, conf.level = 0.95)

Arguments

x

(survift)
object of class 'survfit' typically created with survival::survfit()

times

(numeric)
a vector of times for which to return survival probabilities.

conf.level

(scalar numeric)
confidence level for confidence interval. Default is 0.95.

Value

an ARD data frame of class 'card'

Examples

library(ggsurvfit)
library(survival)

survfit(Surv_CNSR() ~ TRTA, data = cards::ADTTE) |>
  ard_survival_survfit_diff(times = c(25, 50))