| Variables TKA N = 82 | |
| Age (years) | 62.90 ± 11.97 |
| Weight (kg) | 73.77 ± 13.12 |
| Duration of surgery (hours) | 4.05 ± 1.42 |
| Anaesthesia type, n (%) |
|
| General Anaesthesia | 33 (40.2%) |
| General Anaesthesia + Epidural | 30 (36.6%) |
| Regional alone | 19 (23.2%) |
| Intra-operative Analgesia, n (%) |
|
| Epidural | 49 (59.7%) |
| Paracetamol | 44 (53.7%) |
| I. V. Opioids | 24 (29.3%) |
| NSAIDs | 3 (3.7%) |
| Post-operative Analgesia, n (%) |
|
| Epidural | 49 (59.7%) |
| PCA | 19 (23.7%) |
| Opioid infusion | 5 (6.0%) |
| Intermittent bolus | 5 (6.0%) |
| As required opioids | 4 (4.8%) |
| Co-Analgesia, n (%) |
|
| Paracetamol | 79 (86.3%) |
| NSAIDs | 11 (13.4%) |
| Tramadol | 5 (8.5%) |
| Pain at the time of discharge from PACU |
|
| Zero | 9 (11%) |
| 1 - 3 | 44 (53.7%) |
| 4 - 6 | 28 (34.1%) |
| >6 | 1 (1.2%) |