Table 3. Statistical analysis of VAS scores of cryoablation and surgery resection.

Procedure	Group	No. of patients	Mean	Std. deviation	p-value
Cryoablation	VAS pre-operation	15	6.33	1.54	<0.001
	VAS post-operation	15	0.73	0.70
	VAS follow-up	15	0.13	0.35	<0.001
	VAS post-operation	15	0.73	0.70
Surgery resection	VAS pre-operation	53	6.41	1.00	<0.001
	VAS post-operation	53	0.78	0.63
	VAS follow-up	53	0.02	0.14	<0.001
	VAS post-operation	53	0.78	0.63

Notes.

VAS, visual analog scale.