| Parameters | Persistent pain at 3 months (n = 13) | No pain at 3 months (n = 69) | P-value |
| Mean (SD) | Mean (SD) | ||
| Age (Years) | 68.15 (8.80) | 61.91 (12.28) | 0.085 |
| Weight (kg) | 69.33 (9.34) | 74.60 (13.61) | 0.186 |
| Duration of surgery (hour) | 4.00 (1.63) | 4.06 (1.40) | 0.885 |
| Pain at discharge from PACU | 3.54 (1.19) | 2.79 (1.61) | 0.117 |