Covariate | LSM* preoperative pain | P value | LSM* postoperative pain | P value |
Earlier surgery ≤24 hours from arrival (n=413) | ||||
FICB vs no FICB | 3.6 vs 4.5 | <0.001 | 2.7 vs 3.0 | 0.20 |
General vs regional anesthesia | 4.4 vs 3.7 | 0.07 | 3.1 vs 2.5 | 0.09 |
ASA score ≥3 vs <3 | 4.1 vs 4.0 | 0.91 | 2.9 vs 2.8 | 0.49 |
Later surgery >24 hours from arrival (n=143) | ||||
FICB vs no FICB | 3.3 vs 4.0 | 0.25 | 2.5 vs 3.1 | 0.27 |
General vs regional anesthesia | 3.5 vs 3.8 | 0.65 | 3.2 vs 2.3 | 0.06 |
ASA score ≥3 vs <3 | 4.0 vs 3.3 | 0.16 | 2.9 vs 2.7 | 0.70 |
*Least squares mean (LSM) pain score on NRS scale (0–10).
ASA, American Society of Anesthesiology; FICB, fascia iliac compartment block.