Table 2.

Perioperative data of the patients in this study

	GL group	OS group
	(number = 30)	(number = 32)	P value
Length of wound (cm)	5.1 ± 0.8	10.1 ± 3.4	<0.001
Days to oral intake	2.5 ± 0.7	4.0 ± 0.9	<0.001
Postoperative hospital stay (days)	7.1 ± 1.9	10.7 ± 2.3	<0.001
Postoperative day one WBC (per mm3)	8,770 ± 2,160	11,470 ± 2,042	<0.001
Operation time (minutes )	116.6 ± 26.1	119.6 ± 48.5	0.19
Estimated blood loss (mL)	58.5 ± 30.1	82.7 ± 80.4	0.12

WBC white blood cell count.