Table 6

Multivariate linear regression: pain numeric rating scale (NRS, 0–10) scores

CovariateLSM* preoperative painP valueLSM* postoperative painP value
Earlier surgery ≤24 hours from arrival (n=413)
 FICB vs no FICB3.6 vs 4.5 <0.001 2.7 vs 3.00.20
 General vs regional anesthesia4.4 vs 3.70.073.1 vs 2.50.09
 ASA score ≥3 vs <34.1 vs 4.00.912.9 vs 2.80.49
Later surgery >24 hours from arrival (n=143)
 FICB vs no FICB3.3 vs 4.00.252.5 vs 3.10.27
 General vs regional anesthesia3.5 vs 3.80.653.2 vs 2.30.06
 ASA score ≥3 vs <34.0 vs 3.30.162.9 vs 2.70.70
  • *Least squares mean (LSM) pain score on NRS scale (0–10).

  • ASA, American Society of Anesthesiology; FICB, fascia iliac compartment block.