Pain category | Time-critical response (%) | Non-time-critical response (%) | Difference in proportions (95% CI, p) |
No pain (NRS 0) n = 105 | 61/105 (58%) | 44/105 (42%) | −16% (−29 to −3%, p = 0.02) |
Mild pain (NRS 1–3) n = 266 | 157/266 (59%) | 109/266 (41%) | −18% (−26 to −10%, p<0.001) |
Moderate pain (NRS 4–7) n = 456 | 281/456 (62%) | 175/456 (38%) | −23% (−30 to −17%, p<0.001) |
Severe pain (NRS 8–10) n = 419 | 217/419 (52%) | 202/419 (48%) | −4% (−10 to +3%, p = 0.30) |
Totals | 716/1246 (58%) | 530/1246 (43%) | −15% (−19 to −11%, P = 0.02) |
NRS, numeric rating scale.