Table 1. Demographic characteristics of the patients.

Parameters	Mean ± SD, N (%)
Age, year	43.70 ± 15.43
Sex
Male	66 (42.86%)
Female	88 (57.14%)
Height, cm	163.58 ± 7.76
Weight, kg	61.48 ± 10.67
BMI, kg/m2	22.92 ± 3.32
ASA
I	109 (70.78%)
II	45 (29.22%)
Source
Center S	78 (50.65%)
Center G	35 (22.73%)
Center J	41 (26.62%)
Surgical type
General surgery	71 (46.10%)
Otalaryngology	66 (42.86%)
Gynecology	12 (7.79%)
Orthopedics	3 (1.95%)
Urology	2 (1.30%)