Ethnic group recorded in HES | Number of cases recorded in HES | NBSS | ||
---|---|---|---|---|
 |  | Sensitivity | Specificity | Positive predictive value |
White | 5093 | 99.7% | 77.3% | 99.3% |
South Asian | 82 | 90.0% | 99.8% | 87.1% |
Black | 44 | 61.4% | 99.9% | 79.4% |
Chinese/Other | 14 | 0.0% | 100.0% | Â |
Mixed | 10 | 0.0% | 100.0% | Â |