Brief Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastrointest Surg. Oct 27, 2011; 3(10): 147-152
Published online Oct 27, 2011. doi: 10.4240/wjgs.v3.i10.147
Table 1 Characteristics of patients randomized to group 1 (bipolar diathermy) or group 2 (ultrasonic scalpel) for closed hemorrhoidectomy
Group 1Group 2P
No. of patients3030
Nedian (range) age (yr)63 (3-85)63 (27-84)0.646
Sex ratio (M:F)16:1416:141.000
Grade0.598
III1719
IV1311