Evaluation of the clinical efficacy and safety of TST33 mega hemorrhoidectomy for severe prolapsed hemorrhoids

Table 1 Comparison of baseline data between group A and group B, n (%)

Basic information	Group A (n = 102)	Group B (n = 102)	t/χ2 value	P value
Age (yr)	46.9 ± 8.1	45.0 ± 9.0	1.585	0.115
Height (cm)	168.1 ± 4.1	166.8 ± 5.4	1.936	0.054
Weight (kg)	66.3 ± 6.4	67.8 ± 7.8	-1.501	0.135
Course of disease (yr)	10.91 ± 1.20	11.15 ± 0.98	-1.564	0.119
Sex			1.012	0.314
Male	59 (57.84)	66 (64.71)
Female	43 (42.16)	36 (35.29)
Degree of hemorrhoid prolapse			1.357	0.244
III stage	69 (67.65)	61 (59.8)
IV stage	33 (32.35)	41 (40.2)
Constipate			3.526	0.060
Yes	41	43
No	61	59
Bleeding			1.225	0.268
Yes	88 (86.27)	93 (91.18)
No	14 (13.73)	9 (8.82)
Pain			1.079	0.299
Yes	84 (82.35)	78 (76.47)
No	18 (17.65)	24 (23.53)

Table 2 Comparison of surgery-related indicators between group A and group B (mean ± SD)

Groups	Operation time (min)	Intraoperative blood loss (mL)	Hospital stay (d)
Group A (n = 102)	17.94 ± 3.60	4.81 ± 1.03	5.8 ± 1.2
Group B (n = 102)	26.40 ± 4.11	10.52 ± 2.50	7.0 ± 1.4
t value	-6.396	-21.328	-7.668
P value	0.000	0.000	0.000

Table 3 Comparison of cure rate between group A and group B, n (%)

Groups	Cure	Get better
Group A (n = 102)	100 (98.04)	2 (1.96)
Group B (n = 102)	97 (95.10)	5 (4.90)
t value	1.331
P value	0.249

Table 4 Postoperative visual analogue scale scores of patients in groups A and B (mean ± SD, scores)

Groups	12 h after operation	24 h after operation	48 h after operation	72 h after operation	96 h after operation
Group A (n = 102)	3.11 ± 0.98	3.30 ± 0.85	2.40 ± 0.76	1.48 ± 0.50	0.81 ± 0.30
Group B (n = 102)	3.61 ± 1.00	3.59 ± 0.98	2.58 ± 0.65	1.62 ± 0.66	0.88 ± 0.28
t value	-3.607	-2.258	-1.818	-1.708	-1.723
P value	0.000	0.025	0.071	0.089	0.086

Table 5 Comparison of the degree of perianal edema between group A and group B, n (%)

Groups	I stage	II stage	III stage	IV stage
1st day after operation
Group A (n = 102)	91	6	3	2
Group B (n = 102)	76	15	6	5
Z value	-1.128
P value	0.259
7th day after operation
Group A (n = 102)	93	6	2	1
Group B (n = 102)	80	14	5	3
Z value	-2.286
P value	0.022

Table 6 Comparison of anal Wexner scores between the two groups (mean ± SD, scores)

Groups	Preoperative	1 mo after surgery	3 mo after surgery	6 mo after surgery
Group A (n = 102)	22.67 ± 3.70	14.38 ± 3.36	8.74 ± 2.60	6.16 ± 1.84
Group B (n = 102)	23.25 ± 3.98	15.24 ± 3.62	9.40 ± 2.74	6.63 ± 1.81
t value	-1.078	-1.759	-1.765	-1.839
P value	0.282	0.080	0.079	0.067

Table 7 Comparison of surgical complication rates between the two groups, n (%)

Group	Anus drop	Anastomotic stenosis within 3 mo	Perianal infection	Urinary retention	Complication rate
Group A (n = 102)	3	0	0	0	3 (2.94)
Group B (n = 102)	7	3	0	2	12 (11.76)
χ2 value					5.829
P value					0.016