Document Classification

Section Type: RESULTS

Text: Analysis of secondary end points revealed that, compared with controls, patients treated with selenium had a nonsignificant reduction in all-cause mortality (108 deaths in the selenium group and 129 deaths in the control group [RR ; 0. 83 ; 95 % CI, 0. 63-1. 08]) and significant reductions in total cancer mortality (29 deaths in the selenium treatment group and 57 deaths in controls [RR, 0. 50 ; 95 % CI, 0. 31-0. 80]), total cancer incidence (77 cancers in the selenium group and 119 in controls [RR, 0. 63 ; 95 % CI, 0. 47-0. 85]), and incidences of lung, colorectal, and prostate cancers.