Table 1.

Preoperative Characteristics of the Patients According to Gender.

Variable	Gender	Mean	SD (±)	P
Age	Female	32.75	11.55	0.62
	Male	37.08	6.26
Weight	Female	69.50	17.31	0.13
	Male	81.85	8.69
BMI	Female	27.25	5.93	0.47
	Male	27.10	2.89

P < 0.05 are significantly different.

Demographic characteristic were evaluated before surgery by gender; no significant difference was observed in age, weight, and body mass index between men and women.