Table 1.

Baseline and preoperative characteristics

Characteristics	Open (n = 59)	VATS (n = 26)	P
Age	60.76 ± 9.90	64.31 ± 9.53	0.125
Gender (male)	43 (72.9%)	18 (69.2%)	0.730
Tuberculosis history	6 (10.2%)	4 (15.4%)	0.492
Smoking	37 (62.7%)	16 (61.5%)	0.918
Pack‐year	30.84 ± 18.63	36.13 ± 28.94	0.510
ECOG PS			0.092
0	53 (89.8%)	26 (100%)
1	6 (10.2%)	0
FVC (%)	88.04 ± 15.73	86.36 ± 21.53	0.696
FEV1 (%)	90.87 ± 19.03	91.27 ± 13.54	0.914
Tumor size (cm)	4.24 ± 1.90	3.63 ± 1.56	0.164
Invasion to other structures	16 (27.1%)	2 (7.7%)	0.043*
Radiation dose (cGy)	4942.80 ± 774.32	4757.50 ± 893.31	0.364
Location			0.050
RUL	14 (23.7%)	11 (42.3%)
RML	1 (1.7%)	2 (7.7%)
RLL	10 (16.9%)	7 (26.9%)
LUL	23 (39.0%)	3 (11.5%)
LLL	8 (13.6%)	2 (7.7%)
> 2 lobes	3 (5.1%)	1 (3.8%)

ECOG PS, Eastern Cooperative Oncology Group performance status; FEV1, forced expiratory volume after 1 second; FVC, forced vital capacity; LLL, left lower lobe; LUL, left upper lobe; NSCLC, non‐small cell lung cancer; RLL, right lower lobe; RML, right middle lobe; RUL, right upper lobe; VATS, video‐assisted thoracoscopic surgery.

^*, statistically significant.