1.

232例患者临床特征

Clinical characteristics of 232 patients

Variables	Single port (n=131)	Triple port (n=101)	F/Z/χ2	P value
Age (Mean±SD, yr)	60.85±10.46	61.68±10.60	0.36	0.549
Weight (kg)	67.37±10.11	67.81±10.62	0.11	0.745
Height (cm)	166.00±7.73	165.97±7.87	0.00	0.977
Gender			3.06	0.080
Male	64 (51.20%)	61 (48.80%)
Female	67 (62.62%)	40 (37.38%)
Location			3.41	0.492
Right upper lobe	53 (63.10%)	31 (36.90%)
Right middle lobe	10 (62.50%)	6 (37.50%)
Right lower lobe	18 (48.65%)	19 (51.35%)
Left upper lobe	31 (54.39%)	26 (45.61%)
Left lower lobe	19 (50.00%)	19 (50.00%)
Pathological stage			0.42	0.810
Stage Ⅰ	74 (56.49%)	57 (43.51%)
Stage Ⅱ	51 (55.43%)	41 (44.57%)
Stage Ⅲ	6 (66.67%)	3 (33.33%)