Clinical efficacy of total laparoscopic splenectomy for portal hypertension and its influence on hepatic hemodynamics and liver function

Table 1 Baseline data, n (%)

Categories	Observation group (n = 100)	Reference group (n = 99)	χ2	P value
Sex			0.258	0.612
Male	54 (54.00)	57 (57.58)
Female	46 (46.00)	42 (42.42)
Age	49.53 ± 9.14	49.23 ± 9.84	0.223	0.824
Child-Pugh score			0.041	0.840
Class A	72 (72.00)	70 (70.71)
Class B	28 (28.00)	29 (29.29)
Place of residence			1.644	0.200
Rural	26 (26.00)	34 (34.34)
Urban	74 (74.00)	65 (65.66)
Educational level			1.537	0.215
Senior high school or above	45 (45.00)	36 (36.36)
Below high school	55 (55.00)	63 (63.64)