Randomized Controlled Trial Of Lichtenstein Repair Of Indirect Inguinal Hernias With Two Biologic Meshes From Porcine Small Intestine Submucosa

Figures & data

Table 1 Baseline Characteristics Of The Patients

	Experimental Group	Control Group	P-value
	(n=97)	(n=97)
Age (years)	46.12±16.02	48.65±15.48	0.281
Gender			0.339
Male	83 (85.57%)	78 (80.41%)
Female	14 (14.43%)	19 (19.59%)
Allergic history	10 (10.31%)	5 (5.15%)	0.179
Operation history	26 (32.10%)	23 (28.40%)	0.608
Location of hernia			0.304
Left	35 (36.08%)	42 (43.30%)
Right	62 (63.92%)	55 (56.70%)
Hernia type			0.901
II	56 (57.73%)	54 (55.67%)
III	31 (31.96%)	30 (30.93%)
IV	4 (4.12%)	4 (4.12%)
V	6 (6.19%)	9 (9.28%)

Table 2 Major Clinical Outcomes

Clinical Outcome	Experimental Group	Control Group	P-value
	(n=97)	(n=97)
Excellent and good rate*	96 (98.97%)	97 (100.00%)	0.312
Recurrence rate*	1 (1.03%)	0 (0.00%)	0.312
Length of operation (min)	50.01±13.04	50.27±13.38	0.748
Length of hospitalization (d)	1.94±0.90	1.80±0.81	0.271
Incidence of hydrocele*	0 (0.00%)	0 (0.00%)	–
Incidence of allergy*	0 (0.00%)	0 (0.00%)	–
Incidence of orchitis*	0 (0.00%)	0 (0.00%)	–
Incidence of infection*	0 (0.00%)	0 (0.00%)	–
Foreign body sensation
During hospitalisation	2 (2.06%)	3 (3.09%)	0.651
Week 1	4 (4.12%)	9 (9.28%)	0.152
Month 1	0 (0.00%)	2 (2.06%)	0.156
Month 3	0 (0.00%)	0 (0.00%)	–
Month 6	0 (0.00%)	0 (0.00%)	–
Incision redness and swelling
During hospitalisation	0 (0.00%)	0 (0.00%)	–
Week 1	4 (4.12%)	2 (2.06%)	0.408
Month 1	2 (2.06%)	1 (1.03%)	0.562
Month 3	0 (0.00%)	0 (0.00%)	–
Month 6	0 (0.00%)	0 (0.00%)	–
Incision hematoma or seroma
During hospitalisation	0 (0.00%)	0 (0.00%)	–
Week 1	0 (0.00%)	3 (3.09%)	0.082
Month 1	0 (0.00%)	0 (0.00%)	–
Month 3	0 (0.00%)	0 (0.00%)	–
Month 6	1 (0.00%)	0 (0.00%)	0.317

Note: *Recorded within 6 months after the operation.

Table 3 Pain Scores In Patients After Hernia Repair

Pain Scores*	Experimental Group	Control Group	P-value
	(n=97)	(n=97)
During hospitalisation			0.562
≤3	96 (98.97%)	95 (97.94%)
4–6	1 (1.03%)	2 (2.06%)
7–10	0 (0.00%)	0 (0.00%)
Week 1			0.179
≤3	97 (100.00%)	95 (97.94%)
4–6	0 (0.00%)	1 (1.03%)
7–10	0 (0.00%)	1 (1.03%)
Month 1			–
≤3	97 (100.00%)	97 (100.00%)
4–6	0 (0.00%)	0 (0.00%)
7–10	0 (0.00%)	0 (0.00%)
Month 3			–
≤3	97 (100.00%)	97 (100.00%)
4–6	0 (0.00%)	0 (0.00%)
7–10	0 (0.00%)	0 (0.00%)
Month 6			–
≤3	97 (100.00%)	97 (100.00%)
4–6	0 (0.00%)	0 (0.00%)
7–10	0 (0.00%)	0 (0.00%)

Notes: *0=no pain, 10=unbearable pain.