Laparoscopic surgery for severe appendicitis in children: An effect and safety analysis

Table 1 Baseline patient data, n (%)/mean ± SD/mean (interquartile range)

Variable	Control group (n = 50)	Research group (n = 55)	χ2/Z/t	P value
Sex			0.273	0.602
Male	28 (56.00)	28 (50.91)
Female	22 (44.00)	27 (49.09)
Age (years)	9.00 (8.00, 11.00)	9.00 (7.00, 10.00)	-1.029	0.304
Weight (kg)	21.44 ± 2.79	21.82 ± 2.78	0.698	0.487
Onset-to-operation time (hours)	10.86 ± 3.68	10.56 ± 3.58	0.423	0.673
Disease type			1.317	0.518
Gangrenous appendicitis	26 (52.00)	28 (50.91)
Perforated appendicitis	17 (34.00)	19 (34.55)
Periappendiceal abscess	7 (14.00)	8 (14.55)

Table 2 Surgical metrics, mean ± SD

Variable	Control group (n = 50)	Research group (n = 55)	t	P value
Operative duration (minutes)	93.72 ± 26.31	74.20 ± 22.51	4.096	< 0.001
Incision length (cm)	6.82 ± 2.56	2.49 ± 0.83	11.881	< 0.001
IBL (mL)	26.92 ± 3.39	12.51 ± 3.40	21.720	< 0.001

IBL: Intraoperative blood loss.

Table 3 Operation-related indexes, n (%)/mean ± SD/mean (interquartile range)

Variable	Control group (n = 50)	Research group (n = 55)	Fisher’s/Z/t	P value
Postoperative analgesic utilization rate (%)	11 (22.00)	4 (7.27)		0.049
Gastrointestinal function recovery time (days)	4.00 (3.00, 5.00)	2.00 (2.00, 3.00)	-4.369	< 0.001
Hospital stay (days)	8.00 ± 2.76	6.55 ± 2.39	2.884	0.005
Hospitalization cost (CNY)	9580.90 ± 1486.13	9700.75 ± 1670.36	0.387	0.700

Table 4 Postoperative complications across groups, n (%)

Variable	Control group (n = 50)	Research group (n = 55)	P value
Inflammatory intestinal obstruction	3 (6.00)	0 (0.00)
Mesenteric adhesion	3 (6.00)	1 (1.82)
IAA	2 (4.00)	0 (0.00)
Incision infection	2 (4.00)	1 (1.82)
Total	10 (20.00)	2 (3.64)	0.012

IAA: Intraperitoneal abscess.