Table 2.

Preoperative and postoperative values of dyspnoea scales and PFT parameters

Variables n (%) or median [IQR]	Preoperative	Postoperative	Difference	p-value
Dyspnoea scales
mMRC	2.0 [2.0, 3.0]	1.0 [1.0, 2.0]	+ 1.0 [+ 1.0, + 2.0]	< 0.001
0	0 (0)	9 (20.9)
1	0 (0)	22 (51.2)
2	28 (65.1)	11 (25.6)
3	14 (32.6)	0 (0)
4	1 (2.3)	1 (2.3)
DVAS	5.6 [4.7, 6.7]	3.0 [2.3, 4.4]	+ 2.0 [+ 1.0, + 3.5]	< 0.001

	Preoperative	Postoperative	% change	p-value
PFT
FEV1
(L)	1.9 [1.6, 2.1]	2.0 [1.7, 2.2]	+ 7.1% [+ 1.6%, + 18.0%]	< 0.001
(% predicted)	87.0 [77.5, 101.5]	102.0 [90.5, 109.5]	+ 8.2% [+ 1.6%, + 18.2%]	< 0.001
TLC
(L)	4.7 [4.2, 5.4]	4.9 [4.5, 5.9]	+ 4.3% [-2.8%, + 10.1%]	0.002
(% predicted)	96.0 [91.0, 105.5]	104.0 [94.0, 117.0]	+ 4.7% [-2.6%, + 12.8%]	0.002
FVC
(L)	2.3 [2.1, 2.7]	2.5 [2.2, 2.9]	+ 9.6% [+ 3.2%, + 19.9%]	< 0.001
(% predicted)	94.0 [85.0, 103.0]	102.0 [95.0, 117.0]	+ 11.1% [+ 4.1%, + 20.2%]	< 0.001
RV
(L)	2.3 [1.9, 2.6]	2.3 [2,0, 2.8]	+ 0.5% [− 10.6%, + 17.4%]	0.553
(% predicted)	115.0 [105.2, 131.0]	113.0 [103.0, 133.5]	− 1.0% [− 12.6%, + 16.9%]	0.846

DVAS dyspnoea visual analogue scale, FEV1 forced expiratory volume in one second, FVC forced vital capacity, mMRC Modified Medical Research Council, PFT pulmonary function test, RV residual volume, TLC total lung capacity