Evaluation of short- and medium-term efficacy and complications of ultrasound-guided ablation for small liver cancer

Table 1 Comparison of basic information between the two groups, n (%)

Basic information	MWA group (n = 66)	Laparoscope group (n = 52)	t/χ2	P value
Age (yr)	58.7 ± 8.6	57.3 ± 9.1	0.856	0.394
BMI (kg/m2)	24.1 ± 2.0	23.8 ± 2.2	0.774	0.440
Lesion diameter (cm2)	2.13 ± 0.48	2.01 ± 0.44	1.398	0.165
Number of lesions	2.14 ± 0.50	2.03 ± 0.48	1.207	0.230
Gender			0.952	0.329
Male	36 (54.55)	33 (63.46)
Female	30 (45.45)	19 (36.54)
Smoking			1.187	0.276
Yes	24 (36.36)	14 (26.92)
No	42 (63.64)	38 (73.08)
Alcohol			2.638	0.104
Yes	22 (33.33)	25 (48.08)
No	44 (66.67)	27 (51.92)
Child–pugh			2.336	0.126
Class A	30 (45.45)	31 (59.62)
Class B	36 (54.55)	21 (40.38)
History of hepatitis B			1.291	0.256
Yes	39 (59.09)	36 (69.23)
No	27 (40.91)	16 (30.77)
AFP (ng/mL)			0.968	0.325
≤ 20	22 (33.33)	13 (25.00)
>20	44 (66.67)	39 (75.00)

MWA: Microwave ablation; BMI: Body mass index; AFP: Alpha fetal protein.