使用Stata进行生存分析实例

关键词：stata 生存分析、stata做生存分析、stata 生存分析步骤、stata做meta分析教程、数据分析师

. stset time,f(outcome)

failure event: outcome != 0 & outcome < .
obs. time interval: (0, time]
exit on or before: failure

——————————————————————————
      33 total obs.
       0 exclusions
——————————————————————————
      33 obs. remaining, representing
      18 failures in single record/single failure data
   11370 total analysis time at risk, at risk from t =         0
                            earliest observed entry t =         0
                                 last observed exit t =      1045

. sts test treat,logrank

failure _d: outcome
analysis time _t: time
Log-rank test for equality of survivor functions

chi2(1) = 6.71
Pr>chi2 = 0.0096

. sts graph,by(treat)

failure _d: outcome
analysis time _t: time