Patient demographics and summary of results
| Preintervention | Postintervention | Relative risk reduction | P value | |
| Total patients | 323 | 320 | ||
| Male | 182 | 190 | ||
| Female | 141 | 130 | ||
| Mean age (months) | 4 | 5 | ||
| Total blood investigations | 92 (28%) | 43 (13%) | 53% | <0.00001 |
| Blood investigations, cumulative average rate | 29% | 13% | 56% | 0.005475 |
| Total CXRs | 74 (23%) | 41 (13%) | 44% | 0.00836 |
| CXR, cumulative average rate | 25% | 11% | 57% | 0.009974 |
| Mean hospital length of stay (hours) | 25.3 | 20.7 | 18% | 0.270549 |
| Total representations | 17 | 15 | 11% | 0.737 |
CXR, chest X-ray.