Population | Sensitivity | Specificity | Positive Predictive Value |
---|---|---|---|
Muscular Dystrophy | |||
 Cases with at least one in-patient ICD-9-CM code or at least two outpatient ICD-9-CM codes given in a facility in target counties where at least one of the diagnoses was made by a neurologist, geneticist, or developmental pediatrician | 20.1% | 96.5% | 56.6% |
Fragile X Syndrome | |||
 Cases with at least one in-patient ICD-9-CM code or at least two outpatient ICD-9-CM codes given in a facility in target counties | 39.7% | 75.0% | 75.7% |