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Two-by-two table for validating the SCD genotype algorithm
| Genotype based on the algorithm | Genotype based on registry/chart reviews | Do not have SCD | |
|---|---|---|---|
| HbSS/HbSβ0 thalassemia | Other sickle cell genotype | ||
| HbSS/HbSβ0 thalassemia | 188 | 4 | 0 |
| Other sickle cell genotype | 10 | 134 | 7 |
| Patients with SCD not identified by the algorithm | 11 | 13 | — |
| Total number of SCD patients | 209 | 151 | — |
