Clinical Study

Premedication with Oral Alprazolam and Melatonin Combination: A Comparison with Either Alone—A Randomized Controlled Factorial Trial

Table 1

Patient data and perioperative variables. Values are expressed as number (%), mean ± SD or median (interquartile range) as applicable. No significant differences.

Melatonin and
Alprazolam
AlprazolamMelatoninPlacebo

Patients data
 Number of patients ( )20202020
 Gender (male/female)6/144/164/165/15
 Age (yr)
 Weight (kg)
 History of previous surgery ( )11 (55)8 (40)8 (40)9 (45)
 VAS baseline (cm)5 (3.6–6)5 (4.2–7)5 (4–6)5 (4–6)
Perioperative variables
 Number of patients ( )19182018
 Propofol (mg) consumed until
  Loss of verbal command
  Loss of eyelash reflex
 Anesthesia time (min)
Patients ( ) with
 Nausea and vomiting8 (42)6 (33)7 (35)9 (50)
 Headache4 (21)3 (17)4 (20)5 (28)
 Dizziness3 (16)2 (11)5 (25)4 (22)
 Restlessness7 (37)9 (50)6 (30)8 (44)