Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A) Univariate analysis of overall survival of all patients by treatment with carboplatin-paclitaxel (CP) versus etoposide-cisplatin (EP). (B) Survival of a cohort of patients matched according to their propensity scores by treatment arm. (C) Survival of patients treated at EP-encouraging centers (enc) versus EP-discouraging centers (disc). (D) Survival of the near/far matched cohort.
