First-time alloimmunization by corticosteroid exposure
| Exposure Group | Negative Alloimmunization, n (%) | Positive Alloimmunization, n (%) | Fisher Exact P Value | Odds Ratio (95% CI) |
|---|---|---|---|---|
| No corticosteroids (n = 558) | 538 (75.99) | 20 (2.82) | .098 | 0.181 (0.004–1.149) |
| Corticosteroids (n = 150) | 149 (21.05) | 1 (0.14) |