2.

两组患者术后30天死亡率、心肺并发症发生率与空间相关并发症发生率

Prevalence of 30-d death, cardiorespiratory complications morbidity and space-related complications morbidity between two groups

Outcome	Site	Lobectomy group (%)	Bilobectomy group (%)
*P < 0.01;**P < 0.01.
30-d death	All	8/352 (2.3)	6/176 (3.4)
	Upper	5/108 (4.6)	3/57 (5.3)
	Lower	3/244 (1.2)	3/119 (2.5)
Cardioresperatory morbidity	All	38/352 (10.7)	42/176 (23.8)*
	Upper	26/108 (24.0)	11/57 (19.2)
	Lower	12/244 (4.9)	31/119 (26.5)**
Space-related morbidity	All	61/352 (17.3)	36/176 (20.4)
	Upper	24/108 (22.2)	9/57 (15.7)
	Lower	37/244 (15.1)	25/119 (21.0)