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The mean and standard deviation of age, weight, and duration of surgery in the three experimental groups
| Variable | Midazolam | Dexmedetomidine | Placebo | P |
|---|---|---|---|---|
| Mean age (year) | 63.6±8.29 | 66.5±1.6 | 64.02±7.25 | 0.14 |
| Mean weight (kg) | 70.2±14.89 | 69.66±7.94 | 68.58±10.61 | 0.76 |
| Duration of surgery (min) | 20±9 | 18±7 | 20±9 | 0.27 |
| Gender (%) | ||||
| Male | 25 (50) | 25 (50) | 19 (38) | 0.38 |
| Female | 25 (50) | 25 (50) | 31 (62) | |
| ASA (%) | ||||
| I | 40 (80) | 40 (80) | 43 (86) | 0.67 |
| II | 10 (20) | 10 (20) | 7 (14) | |
ASA: American Society of Anesthesiologists
