| ml/min | Midazolam group (N = 50) | Control group (N = 50) | P-value |
| Mean ± SD | Mean ± SD | ||
| Intraoperative | 198 ± 93 | 160 ± 104 | 0.643 |
| Postoperative | 2764 ± 1007 | 3283 ± 1503 | 0.047* |