Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Jun 7, 2012; 18(21): 2668-2673
Published online Jun 7, 2012. doi: 10.3748/wjg.v18.i21.2668
Table 1 Distribution of sex and age in cases and controls
PatientsControls
Sex, n (%)
Female116 (45.5)140 (54.9)
Male139 (54.5)115 (45.1)
Age (mean ± SD)57.26 ± 7.07448.91 ± 12.020