[Retracted] Clinical Study on the Efficacy of Laparoscopic Hepatectomy and Its Influence on the Expression of Serum VEGF, FGF, and Immune Function

Table 1

Comparison of two general data.

Groups	Sex		Age (years old)	Tumor diameter (cm)	Child–Pugh classification		TNM staging
	Male	Female			A	B	I	II
Control group (n = 43)	28	15	58.44 ± 12.65	3.38 ± 0.92	34	9	20	23
Observation group (n = 59)	33	26	59.63 ± 13.25	3.26 ± 1.02	40	19	28	31
t/χ^2	0.873		0.456	0.611	1.587		0.009
	0.351		0.649	0.543	0.208		0.925