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Table 1 Patient characteristics

From: Individualization of risk factors for postoperative complication after lung cancer surgery: a retrospective study

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)
  1. %VC vital capacity, FEV1% forced expiratory volume % in one second, RU right upper, RM right middle, RL right lower, LU left upper, LL left lower, RATS Robot-assisted Thoracic Surgery, C complete, VATS video-assisted thoracic surgery, H hybrid, Part partial resection, Seg segmentectomy, Lob lobectomy, CW chest wall resection, Bilob bilobectomy, Pneumo pneumonectomy, p pathological, y yield to treatment, Ad adenocarcinoma, Sq squamous cell carcinoma, LCNEC large cell neuroendocrine carcinoma, AdSq adenosquamous cell carcinoma, Pleo pleomorphic carcinoma, Large large cell carcinoma, Carci carcinoid