Comparison of efficacy of low doses
| Trauma (% of all trauma patients, 95% CI, n=58) | Ischaemic chest pain (% of all ICP, 95% CI, n=57) | Difference in proportion (95% CI) | p Value for difference | |
|---|---|---|---|---|
| *Fisher's exact test. | ||||
| Adequate pain relief with a total dose of 2.5 mg | 4 (6.9%, 2.7 to 16.4%) | 11 (19.3%, 11.1 to 31.3%) | 12.4% (−0.2 to 25.1%) | 0.057* (NS) |
| Adequate pain relief with a total dose of 5 mg | 9 (15.5%, 8.4 to 26.9%) | 23 (40.4%, 28.6 to 53.3%) | 24.8 (8.5 to 39.6%) | 0.003 |