Multifactor study of efficacy and recurrence in laparoscopic surgery for inguinal hernia

Table 1 Comparison of operative-related indices between the laparoscopic group and the control group (mean ± SD)

Group	n (%)	Duration of surgery (min)	Blood loss (mL)	Cut length (cm)	Hospital stay (d)	Total hospital expenses ($)
Laparoscopic group	360	28.5 ± 5.9	3.8 ± 1.0	0.69 ± 0.16	3.5 ± 1.0	6695.2 ± 1058.4
Control group	120	35.0 ± 8.3	10.5 ± 3.0	2.30 ± 0.54	4.8 ± 1.2	5501.6 ± 884.2
t value		-9.372	-36.749	-50.405	-11.708	11.125
P value		0.000	0.000	0.000	0.000	0.000

Table 2 Comparison of operative complications between the laparoscopic group and the control group

Group	n (%)	Scrotal hematoma	Incision infection	Hydrocele	(%) complications
Laparoscopic group	360	5	0	1	6 (1.67)
Control group	120	11	2	2	15 (12.5)
χ2 value					25.247
P value					0.000

Table 3 Single-factor analysis of postoperative recurrence of indirect inguinal hernia due to laparoscopic high ligation of the hernia sac

Factors	Recurrence (n = 14)	(n = 346)	χ2 value	P value
Age (yr)			4.284	0.038
≤ 3 yr	8 (57.14)	277 (80.06)
> 3 yr	6 (42.86)	69 (19.94)
Sex			2.961	0.085
Male	12 (85.71)	331 (95.66)
Female	2 (14.29)	15 (4.34)
Obesity			0.472	0.492
Yes	3 (21.43)	51 (14.74)
No	11 (78.57)	295 (85.26)
Preoperative incarceration			4.756	0.029
Yes	6 (42.86)	66 (19.08)
No	8 (57.14)	280 (80.92)
Hernia sac			0.696	0.706
Left	6 (42.86)	146 (42.2)
Right	4 (28.57)	129 (37.28)
Bilateral	4 (28.57)	71 (20.52)
Diameter of inner ring (cm)			4.594	0.032
cm < 1.0	8 (57.14)	279 (80.64)
cm ≥ 1.0	6 (42.86)	67 (19.36)
Ligation			5.875	0.015
Absorbable	9 (64.29)	114 (32.95)
Nonabsorbable	5 (35.71)	232 (67.05)

Table 4 Results of logistic regression analysis

Parameters		SE	Walds	P value	OR	95%CI
Age	0.664	0.261	6.472	0.008	1.943	1.165	3.240
Diameter of inner ring	0.397	0.143	7.707	0.000	1.487	1.124	1.969
Ligation	0.556	0.231	5.793	0.018	1.744	1.109	2.742
Preoperative incarceration	1.440	0.841	2.932	0.163	4.221	0.812	21.941

SE: Standard error; OR: Odds ratio.