Table 3.
Postoperative pain score and PCEA consumption.
| OFA group n = 56 | OSA group n = 55 | p-value | |
|---|---|---|---|
| Postoperative VAS score | |||
| Day 1 at rest | 0 (0, 1) | 0 (0, 1) | 0.966 |
| Day 1 coughing | 2 (1.25, 2) | 2 (2, 3) | 0.044 |
| Day 2 at rest | 0 (0, 0) | 0 (0, 0) | 0.616 |
| Day 2 coughing | 1 (0, 2) | 1 (0, 1) | 0.204 |
| Postoperative PCEA bolus consumption (time) | |||
| Day 1 | 1 (1, 2) | 1 (0, 2) | 0.724 |
| Day 2 | 1.5 (1, 3) | 1.5 (1, 3) | 0.851 |
| Adverse events | |||||
|---|---|---|---|---|---|
| Symptoms related to opioids | Day 1 | Day 2 | Day 1 | Day 2 | |
| PONV (n) | 2 | 1 | 4 | 3 | 0.203 |
| Dizziness (n) | 0 | 2 | 2 | 2 | 0.438 |
| Pruritus (n) | 0 | 0 | 5 | 1 | 0.013 |
| Hypotension (n) | 0 | 1 | 0 | 0 | 1.000 |
| Rescue medication (n) | 1 | 0 | 1 | 0 | 1.000 |
| VAS score ≥ 4 (n) | 1 | 0 | 3 | 1 | 0.206 |
| Temporary pump switch-off (n) | 2 | 1 | 2 | 2 | 0.716 |
| Total adverse events | 11 (19.64%) | 26 (47.27%) | 0.003 | ||
VAS, visual analogue pain scale; PCEA, patient-controlled epidural analgesia; PONV, postoperative nausea and vomiting.