Pain scores at various time points (modified intention to treat)
| Time (min) | Intravenous paracetamol (mm) | Oral paracetamol (mm) | Difference (mm) (CI) | P value* |
| 15 | 57.3 (20.3) | 58.1 (20.4) | −0.80 (−9.9 to 8.3) | 0.86 |
| 30 | 51.5 (22.9) | 54.2 (23.1) | −2.6 (−13.2 to 7.9) | 0.62 |
| 45 | 43.9 (24.6) | 47.7 (24.3) | −3.8 (−15.6 to 8.0) | 0.52 |
| 60 | 45.4 (25.5) | 48.7 (25.4) | −3.3 (−16.2 to 9.6) | 0.60 |
| 120 | 39.5 (24.3) | 48.3 (24.4) | −8.7 (−25.0 to 7.5) | 0.28 |
| 180 | 39.3 (24.6) | 43.7 (26.9) | −4.4 (−3.0.1 to 21.3) | 0.72 |
| 240 | 28.2 (25.6) | 41.7 (34.7) | −13.4 (−63.2 to 36.2) | 0.56 |
Pain score reduction is mean (SD).
*Analysis of covariance, Bonferroni test adjusted for multiple comparisons.