Conjugated equine estrogens and colorectal cancer incidence and survival: the Women's Health Initiative randomized clinical trial.
Cancer Epidemiol Biomarkers Prev. 2008 Oct;17(10):2609-18. doi: 10.1158/1055-9965.EPI-08-0385. Epub 2008 Sep 30.
Cancer Epidemiol Biomarkers Prev. 2008.
PMID: 18829444
Free PMC article.
Clinical Trial.
RESULTS: After a median 7.1 years, there were 58 invasive colorectal cancers in the hormone group and 53 in the placebo group [hazard ratio, 1.12; 95% confidence interval (95% CI), 0.77-1.63]. Tumor size, stage, and grade were comparable in the two randomization groups. .. …
RESULTS: After a median 7.1 years, there were 58 invasive colorectal cancers in the hormone group and 53 in the placebo group [hazard ratio, …