TABLE 1. - Description of the variables.

Variables	n	%
Gender
Female	48	73.84
Male	17	26.15
Age (years)
19 - 36	19	29.23
37 - 53	31	47.69
54 - 70	11	16.92
71 - 87	4	6.15
ASA level
I	19	29.23
II	42	64.61
III	4	6.15
Surgical procedure
Laparoscopic cholecystectomy	31	47.69
Papillotomy	7	10.76
Liver abscess drainage	7	10.76
Enterostomy closing / colostomy	7	10.76
Others	13	20.0
Type of anesthesia
General	58	89.23
Spinal anesthesia	6	9.23
Local	1	1.54
Diabetes
Yes	13	20.0
No	52	80.0