Table 2

Total cancer incidence by treatment group and follow-up period

Follow-up periodCasesUnadjustedaAdjustedb
SePlaceboRR95% CIPHR95% CIP
1983 to Feb. 1, 19961051370.750.58–0.980.030.750.58–0.970.03
1983 to Dec. 31, 1993771190.630.47–0.850.0010.610.46–0.82<0.001
  • a RR and 95% CI were derived from incidence rate ratios, Ps were derived from log-rank tests.

  • b 95% CI and Ps were derived from the Cox proportional hazards model adjusted for age (continuous), gender, and smoking (never, former, current) at randomization.