Table 1 Patient characteristics

Gender (male/female)

585/371

Age, median (range)

69.7 (22—92)

Comorbidity

550 (57.5%)

 Interstitial lung disease (%)

22 (2.3%)

 Malignancy (%)

161 (16.8%)

 Diabetes mellitus (%)

136 (14.2%)

 Asthma (%)

28 (2.9%)

 Arrhythmia (%)

26 (2.7%)

 Angina pectoris (%)

70 (7.3%)

Charlson comorbidity index (0/1/2/3/4/5/6/7)

539/201/152/47/13/3/1/1

Smoking index, median (range)

540 (0–3600)

%VC, median (range)

100.1 (51.5–177.7)

FEV₁%, median (range)

73.7 (30.5–99.4)

Lobe of lung cancer

 RU/RM/RL/LU/LL

289/58/231/220/158

Operative approach

 RATS/C-VATS/H-VATS/Open

12/329/509/106

Operative procedure

 Part/Seg/Lob/Sleeve Lob/Lob + Seg/Lob + CW/Bilob/Pneumo

173/74/643/6/3/12/18/27

Stage (IA/IB/IIA/IIB/IIIA/IIIB/IV/yIA/yIIA)

563/167/60/81/70/5/4/5/1

Histology (Ad/Sq/LCNEC/AdSq/Pleo/Large/Carci)

726/180/19/11/9/4/7

Postoperative complication

257 (26.8%)

Clavien-Dindo grade (0/1/2/3a/3b)

699/1/101/146/9

 Air leakage (%)

112 (11.7%)

 Arrhythmia (%)

58 (6.1%)

 Atelectasis (%)

26 (2.7%)

 Pneumonia (%)

21 (2.2%)

 Chylothorax

6 (0.6%)

 Cerebral infarction (%)

5 (0.5%)

 Bronchopleural fistula

3 (0.3%)

30-day mortality (%)

1 (0.1%)

90-day mortality (%)

3 (0.3%)

Postoperative hospital-stay, days, median (range)

12 (3–100)