Basic data of the study groups. Values are arithmetic mean (SD). The asterisk indicates the shortest surgical time (p <0.001). Absolute numbers are given for postoperative analgesic requirement
| Group | ||||
|---|---|---|---|---|
| A | B | C | D | |
| Premedication (oral midazolam 7.5 mg) | ✔ | ✔ | ✔ | ✔ |
| Local anaesthesia (5 ml bupivacaine 0.5%) | — | ✔ | Preop | Postop |
| Age (years) (SD) | 54 (4) | 58 (3) | 48 (5) | 51 (5) |
| Duration of surgery (minutes) (SD) | 76 (5) | 56 (4)* | 85 (8) | 92 (7) |
| Postoperative analgesics (n) (paracetamol, diclofenac, or talvosilen) | 13/30 | 3/30 | 3/15 | 7/15 |