Table 1. Clinical characteristics of patients and types of tumor and lung resection.

Characteristics	Value (n=136)
Smoker	120 (88.2%)
ASA score	2.56±0.62
Cardiovascular diseases	42 (30.9%)
Respiratory diseases	41 (30.1%)
Kidney diseases	18 (13.2%)
DM II	31 (22.8%)
Preop FEV1%	79.27±19.36
Side (right)	81 (59.6%)
Tumor size (mm)	27.05±17.35
Operative time (min)	248.97±118.17
Histology
Adenocarcinoma	91 (66.9%)
Squamous cell carcinoma	39 (28.7%)
Carcinoid tumors	6 (4.4%)
Type of resection
Segmentectomy	18 (13.2%)
Lobectomy	114 (83.8%)
Bilobectomy	2 (1.5%)
Pneumonectomy	2 (1.5%)