Table 2 Derivation Cohort- eADHF and ICD-9 heart Failure Code Performance Against Reference Standard
eADHF vs. reference standard | ICD-9 (acute HF) vs. reference standard | ICD-9 (all HF) vs. reference standard | ||||
|---|---|---|---|---|---|---|
Sensitivity | Specificity | Sensitivity | Specificity | Sensitivity | Specificity | |
Derivation-Initial (N2=100) | 89.4 | 81 | 53 | 95.6 | 95.5 | 79.4 |
Derivation-Final (N3=100) | 97.5 | 100 | 47.5 | 96.7 | 97.5 | 86.7 |