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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 standard

ICD-9 (all HF) vs. reference standard

Sensitivity

Specificity

Sensitivity

Specificity

Derivation-Initial

(N2=100)

48.7

98.3

93.4

89.7

Derivation-Final

(N3=100)

46.2

95.1

97.4

85.3

Validation

(N4=100)

43.8

100

96.8

92.7