Randomized Clinical Trial
Copyright ©The Author(s) 2015.
World J Gastroenterol. Feb 28, 2015; 21(8): 2490-2496
Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2490
Table 1 Patient and case characteristics
CharacteristicTST group(n = 240)M-M group(n = 240)t orχ2P value
Age44.2 ± 16.545.7 ± 15.60.6820.891
Gender (male/female)123/117119/1210.1330.715
Hemorrhoids grading (III/IV)155/85171/692.4480.118
Case history (yr)7.2 (0.5-17.0)6.8 (0.4-20)0.5910.895
Completed follow-up (n)218221
Table 2 Efficacies of tissue selecting therapy stapler and Milligan-Morgan hemorrhoidectomy, n
GroupRecoveryEffectivenessIneffectiveness
Tissue selecting therapy stapler21071.000
Milligan-Morgan hemorrhoidectomy208103.000
χ20.982
P value0.322
Table 3 Immediate complications
ComplicationTST group(n = 240)M–M group(n = 240)t orχ2P value
Postoperative pain (VAS)
12 h after the surgery5.08 ± 1.627.19 ± 2.019.4510.000
During first dressing change2.64 ± 0.874.34 ± 1.1511.2310.000
During first defecation3.91 ± 1.475.63 ± 1.984.2110.001
Intraoperative blood loss2.45 ± 0.575.07 ± 1.1413.2460.000
Urine retention after the surgery (n)224710.5790.001
Anal pendant expansion after the surgery (VAS)2.35 ± 0.565.16 ± 1.4212.7810.000
Operation time (min)18.3 ± 5.629.5 ± 8.27.4390.000
The length of hospital stay (d)5.3 ± 0.611.4 ± 1.811.6510.000
Table 4 Long-term complications, n
ComplicationTST Group(n = 218)M-M Group(n = 221)χ2P value
Rectal and vaginal fistula00
Fecal incontinence3169.1100.003
Difficult bowel movement196.4380.011
Intractable pain2127.2850.007
Anal discharge32316.0650.000
Table 5 Results of satisfaction survey, n
GroupSatisfiedSomewhat satisfiedNot satisfied
Tissue selecting therapy stapler2124  2
Milligan-Morgan hemorrhoidectomy17335 13
χ28.197
P value0.004