2.

手术相关因素和结局

Operative procedure-related factors and outcomes

Variable		Data
VATS: video-assisted thoracic surgery; LND: lymph node dissection; AIS: adenocarcinoma in situ; MIA: minimally invasive adenocarcinoma; AC: adenocarcinoma; SCC: squamous cell carcinoma.
Approach	VATS Thoracotomy	76 (68.5%) 35 (31.5%)
Procedure	Sublobectomy Lobectomy Bilobectomy Pneumonectomy Sleeve Lobectomy	12 (10.8%) 79 (71.2%) 10 (9.0%) 3 (2.7%) 7 (6.3%)
Mediastinal LND		96 (86.5%)
Adhesion		29 (26.1%)
Re do thoracotomy		2 (1.8%)
Histology	AIS/MIA AC SCC Others	8 (7.2%) 59 (53.2%) 32 (28.8%) 12 (10.8%)
Intraoperative bleeding (mL)		100 (5-1, 100)
Length of operation (min)		227 (51-611)
Blood transfusion		1 (0.9%)