Table 1. Demographic characteristics.

Variables	≥12 lymph nodes (N=53) (n, %)	<12 lymph nodes (N=38) (n, %)	P value
Gender			χ2=0.0215; P=0.8
Male	34 (64.0)	24 (63.0)
Female	19 (36.0)	14 (37.0)
Age (years)	51 [29–70]	57 [32–74]	SE =2.128; 95% CI, 1.77–10.22; P=0.005
BMI (kg/m2)	23.5±3.24	23±3.19	SE =0.68; P=0.46
ASA			χ2=1.078; P=0.58
I	6 (11.3)	5 (13.2)
II	36 (67.9)	23 (60.5)
III	11 (20.8)	10 (26.3)