Comparison 2.
Acetaminophen plus Diphenhydrammine versus placebo (Unit of randomisation: transfusion)
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Fever | 1 | Risk Ratio (M‐H, Random, 95% CI) | Totals not selected | |
| 1.1 Per protocol analysis | 1 | Risk Ratio (M‐H, Random, 95% CI) | 0.0 [0.0, 0.0] | |
| 1.2 Worst‐scenario case | 1 | Risk Ratio (M‐H, Random, 95% CI) | 0.0 [0.0, 0.0] | |
| 1.3 Best‐scenario case | 1 | Risk Ratio (M‐H, Random, 95% CI) | 0.0 [0.0, 0.0] | |
| 2 Hives | 1 | Risk Ratio (M‐H, Random, 95% CI) | Totals not selected | |
| 2.1 Per protocol analysis | 1 | Risk Ratio (M‐H, Random, 95% CI) | 0.0 [0.0, 0.0] | |
| 2.2 Worst‐case scenario | 1 | Risk Ratio (M‐H, Random, 95% CI) | 0.0 [0.0, 0.0] | |
| 2.3 Best‐case scenario | 1 | Risk Ratio (M‐H, Random, 95% CI) | 0.0 [0.0, 0.0] |