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Table 4 Derivation and Validation Cohort- ICD-9 Heart Failure Code compared to eADHF

From: Derivation and validation of a computable phenotype for acute decompensated heart failure in hospitalized patients

 ICD-9 (acute HF) vs. reference standardICD-9 (all HF) vs. reference standard
SensitivitySpecificitySensitivitySpecificity
Derivation-Initial
(N2=100)
48.798.393.489.7
Derivation-Final
(N3=100)
46.295.197.485.3
Validation
(N4=100)
43.810096.892.7