Table 4.
Severity and clinical manifestations of early anaphylactic reactions
| Severity | Promethazine | Placebo | Total |
|---|---|---|---|
| Mild | 8 | 5 | 13 |
| Moderate | 3 | 7 | 10 |
| Severe | 1 | 1 | 2 |
| Total | 12 | 13 | 25 |
χ2 for trend=1.12, P=0.29.
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