Brief Article
Copyright ©2010 Baishideng.
World J Gastroenterol. Feb 28, 2010; 16(8): 1014-1018
Published online Feb 28, 2010. doi: 10.3748/wjg.v16.i8.1014
Table 3 Comparison of Groups I and II
Group IGroup IIP
Number of patients4553-
Male/female18/2717/360.126
Mean age (yr)52.852.80.771
Mean age of first onset (yr)41.947.80.463
Mean follow-up period (mo)39.943.90.145
Mean number of operations2.071.21< 0.001
Recurrence index0.1350.018< 0.001
Reoperation index0.070.01< 0.001