Relationship between peripheral blood endotoxin, toll-like receptor 4 expression, and postoperative infection following surgery for acute appendicitis

Table 1 Comparison of general characteristics, mean ± SD or n

Index	Infected group (n = 36)	Uninfected group (n = 117)	t/χ2	P value
Sex			0.224	0.636
Male	21	63
Female	15	54
Age, years	38.36 ± 7.19	39.01 ± 6.71	0.498	0.619
Pathological type1			7.136	0.008
Uncomplicated	2	31
Purulent or gangrenous	34	86
Operation method1			4.366	0.037
Traditional open surgery	34	93
Laparoscopic surgery	2	24
Surgery time, minutes2	59.96 ± 7.41	51.91 ± 6.32	6.417	< 0.001
Incision length, cm1	5.36 ± 1.26	4.78 ± 0.99	2.890	0.004
White blood cell count, × 109/L	8.54 ± 1.03	8.35 ± 1.31	0.800	0.425
Neutrophil count, %	59.75 ± 10.30	56.40 ± 9.72	1.783	0.077
CRP, mg/L	18.31 ± 3.14	19.41 ± 4.03	1.502	0.135
Diabetes	10	32	0.003	0.960
Hypertension	8	27	0.011	0.915

¹P < 0.05, χ²-test.

²P < 0.05, t-test.

CRP: C-reactive protein.