3.

两组肺癌患者病理分期、手术方式选择、住院时间对比

Comparative analysis of pathologic stage, surgical approach, length of stay between PEG and SG

Characteristic	PEG (n=131)	SG (n=374)	P
VATS: video-assisted thoracic surgery.
Pathologic stage (n, %)
Stage Ⅰ	92 (70.2)	155 (41.4)	< 0.001
Stage Ⅱ	19 (14.5)	115 (30.7)	< 0.001
Stage Ⅲ	17 (13.0)	91 (24.3)	0.006
Stage Ⅳ	3 (2.3)	13 (3.5)	0.772
Surgical approach (n, %)			< 0.001
VATS	96 (73.3)	166 (44.4)
Open	35 (26.7)	208 (55.6)
Length of stay (d, Mean±SD)
Total length of stay	16.8±8.6	18.0±8.4	0.162
Preoperative length of stay	8.9±8.0	9.8±7.1	0.203
Postoperative length of stay	7.9±3.7	8.2±5.2	0.610