| PD | NP | OR | 95% CI | p-value | |
Age at diagnosis |
|
|
|
|
| |
| ≤5 years | 109 | 155 | 0.9 | 0.5 - 1.6 | 0.7734 |
>5 years* | 39 | 41 | 1.1 | 0.6 - 1.9 | ||
Number of hospitalizations/year |
|
|
|
|
| |
| > 5 | 39 | 25 | 2.4 | 1.4 - 4.3 | 0.0013 |
≤5* | 109 | 171 |
|
|
| |
Number of bone CVO/year |
|
|
|
|
| |
| > 3 | 61 | 41 | 2.7 | 1.6 - 4.3 | 0.0000 |
≤3* | 87 | 155 |
|
|
| |
Blood transfusion |
|
|
|
|
| |
| Yes | 147 | 176 | 16.7 | 2.2 - 125.9 | 0.0002 |
No* | 1 | 20 |
|
|
| |
Age of first transfusion |
|
|
|
|
| |
| ≤12 months | 14 | 12 | 1.4 | 0.6 - 3.2 | 0.3734 |
>12 months* | 133 | 164 |
|
|
| |
Number of transfusions since discovery |
|
|
|
| ||
| >5 | 37 | 26 | 2.03 | 1.2 - 3.6 | 0.0127 |
≤5* | 110 | 150 |
|
|
|