| OR adjusted | 95% CI | P-value | ||
| Lower | Sup | |||
| NSAIDs | 0.209 | 0.060 | 0.729 | 0.014 |
| Hepatomegaly | 6.067 | 1.710 | 21.522 | 0.005 |
| Malaria | 15.626 | 6.608 | 36.951 | < 0.001 |
| Mean Hb level (g/dL) | 1.038 | 0.605 | 10.202 | 0.971 |
| Number of platelets | 0.488 | 0.202 | 0.786 | 0.041 |
| More than 400 | ||||
| Hemoglobin fraction F | 2.266 | 1.632 | 8,120 | 0.039 |
| ]0; 10] | ||||
| Hemoglobin S fraction | 0.111 | 0.019 | 0.646 | 0.015 |
| Over 90 | ||||