Table 3B.

Wilcoxon test.

	Variables	Distribution	p-value
Gender	Male	160.253 (99.531, 269.980)	0.1254
	Female	151.951 (80.287, 243.079)
Tumor Location	Right	220.441 (106.635, 325.176)	0.00801
	Left	141.711 (86.211, 237.956)
Surgical Approacha	Open	188.320 (104.274, 283.652)	0.02787
	Laparoscopy	138.109 (84.810, 242.166)

^a Missing in 4 case.