1.

患者一般资料

Baseline of the patients

	PPR group (n=43)	CS group (n=58)	Test value	P
PPR: preoperative pulmonary rehabilitation; CS: conventional scheme; FEV1: forced expiratory volume in one second; FVC: forced vital capacity; MVV: maximum ventilatory volume; PEF: peak expiratory flow; COPD: chronic obstructive pulmonary disease; RUL: right upper lobe; RML: right middle lobe; RLL: right lower lobe; RU-ML: right upper middle lobe; RM-LL: right middle lower lobe; LUL: left upper lobe; LLL: left lower lobe; SC: squamous carcinoma; AC: adenocarcinoma.
Age (Mean±SD, yr)	58.9±8.9	61.1±9.1	t=0.308	0.580
Gender			χ2=0.117	0.733
Male	26	37
Female	17	21
Pulmonary function
FEV1 (L)	2.06±0.45	2.16±0.47	t=1.074	0.285
FVC (L)	3.16±0.68	3.27±0.68	t=0.830	0.409
PEF (L/s)	4.32±0.90	4.51±0.99	t=0.946	0.346
MVV (L/min)	86.69±16.56	90.59±15.60	t=1.210	0.229
Severity of COPD			χ2=0.117	0.494
Mild	30	44
Moderate to severe	13	14
Resection range			χ2=3.173	0.787
RUL	18	27
RML	2	1
RLL	8	9
RU-ML	0	1
RM-LL	1	0
LUL	7	11
LLL	7	9
Pathology			χ2=0.218	0.897
SC	16	19
AC	25	36
Other types	2	3
Pathological stage			χ2=1.576	0.455
Stage Ⅰ	21	32
Stage Ⅱ	11	17
Stage Ⅲ	11	9
Stage Ⅳ	0	0