Retrospective Cohort Study
Copyright ©The Author(s) 2020.
World J Clin Cases. Dec 6, 2020; 8(23): 5876-5886
Published online Dec 6, 2020. doi: 10.12998/wjcc.v8.i23.5876
Table 1 Comparison of the general information between patients with internal rectal prolapse in groups A and B


Group A (n = 63)
Group B (n = 67)
P value
Patient informationAge (yr)50.46 ± 13.9549.90 ± 14.250.820
BMI (kg/m2)24.70 ± 3.7124.46 ± 3.240.700
Preoperative dataDIRP (cm)3.41 ± 0.273.50 ± 0.330.093
WCS (0-30)8.41 ± 3.068.30 ± 3.200.853
WIS (0-20)8.75 ± 2.438.76 ± 2.280.962
GIQLI (0-144)100.90 ± 5.83101.16 ± 6.130.796
BM (number of times/d)3.35 ± 1.153.49 ± 1.050.459
Intraoperative and postoperative dataOperating time (min)40.35 ± 5.9650.45 ± 6.52< 0.001
Intraoperative blood loss (mL)4.63 ± 1.358.22 ± 3.67< 0.001
Time to first passage of feces/flatus (d)2.22 ± 1.012.48 ± 0.980.144
Length of hospital stay (d)4.87 ± 1.205.58 ± 1.760.009
Complications (Dindo > I) n (%)7 (11.11%)8 (11.94%)0.882
Table 2 Preoperative and postoperative functional recovery (mean ± SD)
Before surgery6 mo after surgery2 yr after surgeryP value (Bonferroni)
Before surgery vs 6 mo after surgery
Before surgery vs 2 yr after surgery
6 mo after surgery vs 2 yr after surgery
Group A (63)DIRP3.41 ± 0.270.54 ± 0.560.75 ± 0.63< 0.001< 0.001< 0.001
WCS8.41 ± 3.061.33 ± 1.002.41 ± 1.16< 0.001< 0.001< 0.001
WIS8.75 ± 2.435.63 ± 1.805.33 ± 1.32< 0.001< 0.0010.011
GIQLI100.90 ± 5.83104.05 ± 5.88103.06 ± 5.99< 0.001< 0.0010.003
Group B (67)DIRP3.50 ± 0.330.18 ± 0.440.61 ± 0.72< 0.001< 0.001< 0.001
WCS8.30 ± 3.200.51 ± 0.891.33 ± 1.11< 0.001< 0.001< 0.001
WIS8.76 ± 2.283.58 ± 1.222.37 ± 0.89< 0.001< 0.001< 0.001
GIQLI101.1 ± 6.13109.67 ± 5.61117.72 ± 15.29< 0.001< 0.001< 0.001
Table 3 Comparison of postoperative functional recovery between the two groups (mean ± SD)


Group A (n = 63)
Group B (n = 67)
P (time treatment)
P value (Bonferroni)
DIRP6 mo after surgery0.54 ± 0.560.18 ± 0.440.144< 0.001
2 yr after surgery0.75 ± 0.630.61 ± 0.720.235
WCS6 mo after surgery1.33 ± 1.000.51 ± 0.890.284< 0.001
2 yr after surgery2.41 ± 1.161.33 ± 1.11< 0.001
WIS6 mo after surgery5.63 ± 1.803.58 ± 1.220.004< 0.001
2 yr after surgery5.33 ± 1.322.37 ± 0.89< 0.001
GIQLI6 mo after surgery104.05 ± 5.88109.67 ± 5.61< 0.001< 0.001
2 yr after surgery103.06 ± 5.99117.72 ± 15.29< 0.001
Postoperative recurrence6 mo after surgery6 (9.5%)00.011
2 yr after surgery13 (20.63%)8 (11.94%)0.178