Hb H disease genotypes identified by the California Newborn Screening Program, January 2006–December 2008.
| Genotype . | Newborns identified . | Estimated birth prevalence (per 100,000) . |
|---|---|---|
| α3.7/SEA | 85 | 5 |
| α3.7/FIL | 25 | 1.5 |
| α4.2/SEA | 5 | .3 |
| α3.7/THAI | 1 | .05 |
| α4.2/FIL | 1 | .05 |
| αCSα/SEA | 13 | .77 |
| αPolyAα/SEA | 1 | .05 |
| SEA/SEA | 3 | .17 |
| TOTAL | 134 | 8 |
| Genotype . | Newborns identified . | Estimated birth prevalence (per 100,000) . |
|---|---|---|
| α3.7/SEA | 85 | 5 |
| α3.7/FIL | 25 | 1.5 |
| α4.2/SEA | 5 | .3 |
| α3.7/THAI | 1 | .05 |
| α4.2/FIL | 1 | .05 |
| αCSα/SEA | 13 | .77 |
| αPolyAα/SEA | 1 | .05 |
| SEA/SEA | 3 | .17 |
| TOTAL | 134 | 8 |