Summary statistics of children's characteristics and MRI follow-up
| . | Baseline MRI studies . | Follow-up MRI studies . |
|---|---|---|
| Hemoglobin phenotype | ||
| HbSS | 266 | 229 |
| HbSC | 120 | 103 |
| HbS-β+ | 20 | 14 |
| HbS-β0 | 9 | 7 |
| Total | 415 | 353 |
| Male, % | 52.5 | 53.0 |
| Age (y, mean ± SD) | 8.33 ± 1.90 | 12.09 ± 2.57 |
| (range, 6.0-16.2) | (range, 7.2-19.8) | |
| Number of MRI studies/child | 1 | 2.12 |
| (mean) | (range, 1-5) | |
| Interval between MRI studies (y, mean ± SD) | 2.31 ± 0.76 |
| . | Baseline MRI studies . | Follow-up MRI studies . |
|---|---|---|
| Hemoglobin phenotype | ||
| HbSS | 266 | 229 |
| HbSC | 120 | 103 |
| HbS-β+ | 20 | 14 |
| HbS-β0 | 9 | 7 |
| Total | 415 | 353 |
| Male, % | 52.5 | 53.0 |
| Age (y, mean ± SD) | 8.33 ± 1.90 | 12.09 ± 2.57 |
| (range, 6.0-16.2) | (range, 7.2-19.8) | |
| Number of MRI studies/child | 1 | 2.12 |
| (mean) | (range, 1-5) | |
| Interval between MRI studies (y, mean ± SD) | 2.31 ± 0.76 |