Epidemiology of Biliary Tract Cancer in Japan : Descriptive Studies
Descriptive studies on Biliary Tract Cancer (BTC) were reviewed from viewpoints of distribution by space, time and person. Standardized Mortality Ratios (SMRs) for BTC in Japan ranked second in males and fifth in females among 39 countries. SMRs for both sexes in Niigata Prefecture was the highest among 47 prefectures in Japan. Increasing rates of SMRs for BTC were the highest among 9 sites of cancer in males and 11 sites in females. By using birth cohort analysis, BTC showed both 'Age Effect' and 'Cohort Effect'. As personal factors, the role of gender, gallstone and food consumption was taken into consideration on the onset of BTC.
- Acta medica et biologica = Acta medica et biologica
Acta medica et biologica = Acta medica et biologica 41 (3), 113-125, 1993-09
Niigata University School of Medicine