TABLE 3

Multivariate Cox Regression Analysis

CharacteristicEstimate95% CIP
Age0.0370.025, 0.048<0.0001*
Smoking−0.118−0.310, 0.0580.1934
Sex0.12220.003, 0.2410.0544
Treatment0.0554
 Surgery−0.135−0.306, 0.034
 Radiation0.2500.08, 0.42
PET result−0.239−0.346, −0.0100.0003*

  • ↵* Significant variables.