Predictive risk factors for a history of SCI
| Characteristic . | Cox regression analysis . | |
|---|---|---|
| Hazard ratio (95% CI) . | P . | |
| Sex | ||
| Male | 1.30 (0.68-2.46) | .426 |
| Female | ||
| G6PD | ||
| Normal | ||
| Deficiency | 1.88 (0.78-4.52) | .161 |
| α-thalassemia | ||
| Present | ||
| Absent | 1.32 (0.68-2.55) | .411 |
| Parameters at baseline | ||
| Leukocyte count per 1 × 109/L increase | 1.03 (0.97-1.10) | .365 |
| Neutrophil count per 1 × 109/L increase | 1.02 (0.93-1.12) | .655 |
| Platelet count per 1 × 109/L increase | 1.00 (0.99-1;00) | .985 |
| Hemoglobin level per 1 g/dL decrease | 1.42 (1.03-1.96) | .030* |
| Mean corpuscular volume per fL increase | 1.02 (0.99-1.06) | .233 |
| Reticulocyte count per 1 × 109/L increase | 1.002 (1.000- 1.005) | .095 |
| HbF per 1% increase | 0.97 (0.93-1.02) | .253 |
| SpO2 per 1% increase | 0.94 (0.78-1.15) | .553 |
| LDH per IU/mL increase | 1.03 (0.38-2.83) | .950 |
| Characteristic . | Cox regression analysis . | |
|---|---|---|
| Hazard ratio (95% CI) . | P . | |
| Sex | ||
| Male | 1.30 (0.68-2.46) | .426 |
| Female | ||
| G6PD | ||
| Normal | ||
| Deficiency | 1.88 (0.78-4.52) | .161 |
| α-thalassemia | ||
| Present | ||
| Absent | 1.32 (0.68-2.55) | .411 |
| Parameters at baseline | ||
| Leukocyte count per 1 × 109/L increase | 1.03 (0.97-1.10) | .365 |
| Neutrophil count per 1 × 109/L increase | 1.02 (0.93-1.12) | .655 |
| Platelet count per 1 × 109/L increase | 1.00 (0.99-1;00) | .985 |
| Hemoglobin level per 1 g/dL decrease | 1.42 (1.03-1.96) | .030* |
| Mean corpuscular volume per fL increase | 1.02 (0.99-1.06) | .233 |
| Reticulocyte count per 1 × 109/L increase | 1.002 (1.000- 1.005) | .095 |
| HbF per 1% increase | 0.97 (0.93-1.02) | .253 |
| SpO2 per 1% increase | 0.94 (0.78-1.15) | .553 |
| LDH per IU/mL increase | 1.03 (0.38-2.83) | .950 |
Biological parameters were recorded before age 3 years.
Significant tests.