Table 3.

The PFT variation of 136 patients after MWA procedure

Characteristics	pre-MWA	post-MWA	t	p
VC	3.21 ± 0.72	3.27 ± 0.75	−1.335	0.184
FVC	3.23 ± 0.77	3.29 ± 0.76	−1.306	0.194
FEV1	2.32 ± 0.77	2.47 ± 0.71	−1.304	0.173
FEV1%	90.15 ± 22.14	89.04 ± 22.72	1.899	0.060
MMEF	1.77 ± 0.83	1.72 ± 0.91	0.082	0.935
DLCO	6.34 ± 1.70	6.26 ± 1.67	1.127	0.262

MWA microwave ablation, VC vital capacity, FVC forced vital capacity, FEV1 forced expiratory volume in 1 s, MMEF maximum mid-expiratory flow, DLCO diffusion capacity of the lung for carbon monoxide