Diet and colorectal cancer: results of two case-control studies in Russia.

Two case-control studies of diet and colorectal cancer were conducted in Moscow and Khabarovsk. The Moscow study comprised 100 cases of colorectal cancer and 100 neighbourhood controls. The Khabarovsk study consisted of 117 cases of colorectal cancer and 117 population controls.

[The role of nutrition in the etiology of cancer of the large intestine].

The epidemiologic case-control study included 100 patients with histologically verified colorectal cancer. The groups of cancer patients and controls with non-tumor pathology treated at a therapeutic department of a city clinical hospital were identical with respect to age and sex. A questionnaire was used to study average intake of foods within 12 months prior to disease.