| Demographic | Group A (n = 22) | Group B (n = 26) |
| Age (±SD) | 48 (±8.9) | 52 (±9.4) |
| Gender | 14F 8M | 18F 10M |
| BMI (±SD) | 28.6 (±3.4) | 29.7 (±4.5) |
| ASA I | 8 | 8 |
| ASA II | 14 | 18 |