Table 2.
Distribution of early anaphylactic reactions according to treatment
| Group | No of patients | No (%) with reaction | 95% CI (%) |
|---|---|---|---|
| Promethazine | 49 | 12 (24) | 13 to 39 |
| Placebo | 52 | 13 (25) | 14 to 39 |
| Total | 101 | 25 (25) | 17 to 34 |
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