| Propofol | Propofol and alfentanil | p value |
Age (years) | 57 (14) | 56 (13) | 0.68 |
Weight (kg) | 70 (14) | 72 (14) | 0.29 |
Preoperative anxiety | 25 (15 - 45; 0 - 95) | 28 (10 - 47; 0 - 85) | 0.92 |
Peroperative anxiety | 7 (3 - 13; 0 - 60) | 5 (3 - 13; 0 - 75) | 0.55 |
Peroperative pain | 7 (2 - 15; 0 - 83) | 5 (2 - 18; 0 - 65) | 0.42 |