Original Article
Copyright ©2012 Baishideng.
World J Gastrointest Oncol. Jul 15, 2012; 4(7): 170-175
Published online Jul 15, 2012. doi: 10.4251/wjgo.v4.i7.170
Table 1 Examinee characteristics
AkitaKochiYamaguchi
Sex
Male8611
Female424439
Age (yr)37.4 (23-55)43.8 (24-66)38.4 (18-67)