Table 4.

Single factor analysis of MWA ablation effect

Characteristics	VRR > 50%	VRR ≤ 50%	X2	P
Gender
Male	40	4	1.668	0.197
Female	214	48
Age
≤ 60	210	44	0.115	0.735
> 60	44	8
Location
Upper	81	13	1.421	0.491
Middle	81	16
Lower	92	23
Solidity
Cyst	20	6	0.944	0.624
Solid	62	16
Mixed	168	34
Initial volume
≤ 10 mL	141	37	4.340	0.037
> 10 mL	113	15