Table 3.

Operation Data

	Uniportal VATS (n=21)	Thoracotomy (n=21)	p Value
Operation time (h)	4 (3–5)	3 (2–4)	0.021*
Operative blood loss (mL)	200 (100–200)	100 (100–400)	0.658
Lymph node station	5 (5–6)	6 (5–7)	0.111
Lymph node number	9 (8–13)	10 (7–14)	0.870
Positive lymph nodes	1 (0–4)	1 (0–2)	0.712
Drainage on POD1 (mL)	250 (150–300)	400 (300–450)	0.004*
Postoperative hospital stay (days)	6 (4–7)	6 (5–8)	0.380
Complications	3 (14.3%)	1 (4.8%)	0.599
Fever	2 (9.5%)	0 (0.0%)	0.469
Subcutaneous emphysema and pulmonary infection	1 (4.8%)	0 (0.0%)	1.000
Cardiac arrhythmia	0 (0.0%)	1 (4.8%)	1.000

Notes: Data are presented as median (P₂₅–P₇₅) or n (%). *p<0.05.

Abbreviation: POD1, postoperation day 1.