Table 2.

Comparison between thermal ablation and surgery ($\overline{\text{x}}+\text{S}$).

Item	Thermal ablation (n ​= ​15)	Surgery (n ​= ​42)	P value
Age (years)	59.67 ​± ​9.92	59.36 ​± ​9.81	0.917
Blood loss (mL)	0	44 ​± ​53	0.000
Operation time (min)	43 ​± ​25	167 ​± ​67	0.000
Drainage volume (mL)	59 ​± ​230	821 ​± ​1015	0.000
Extubation time (day)	2.3 ​± ​2.7	4.9 ​± ​3.6	0.013
Postoperative LOS (day)	3.5 ​± ​3.0	6.2 ​± ​3.7	0.016
Expense (yuan)	34,524 ​± ​15,709	67,480 ​± ​29,143	0.000