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Comparison of NRSD scores at various time points
| Time (h) | Group A (QLB)Median (IQR values) | Group B (placebo)Median (IQR values) | P |
|---|---|---|---|
| 1 | 3 (3-4) | 6 (5-7) | <0.001 |
| 4 | 3 (2-4) | 5 (4-6) | <0.001 |
| 8 | 2 (2-3) | 5 (4-5) | <0.001 |
| 12 | 2 (2-3) | 4 (4-5) | <0.001 |
| 24 | 2 (1-3) | 3 (3-4) | <0.001 |
QLB – Quadratus lumborum block, NRSD – Numerical rating score dynamic, IQR – Interquartile range
