Table 2.
Validity Indices for the Diagnosis Procedure Combination Data-Based Diagnosis Identification of HF
| Diagnostic criteria | Sensitivity (%) (95% CI) |
PPV (%) (95% CI) |
|---|---|---|
| ICD-10 code only | 84.7 (84.0–85.3) | 57.0 (56.1–57.9) |
| ICD-10 code or UCG (early) | 93.0 (92.6–93.5) | 14.6 (14.0–15.3) |
| ICD-10 code or BNP/NT-proBNP (emergency) | 93.1 (92.7–93.6) | 12.7 (12.1–13.3) |
| ICD-10 code or UCG (early) and BNP/NT-proBNP (emergency) | 91.4 (90.9–91.9) | 20.6 (19.9–21.4) |
| ICD-10 code + hospitalization for treatment only | 83.2 (82.5–83.8) | 58.2 (57.3–59.0) |
| ICD-10 code + emergency hospitalization only | 66.5 (65.6–67.3) | 69.6 (68.8–70.4) |
| Acute HFA | 45.7 (44.8–46.5) | 77.7 (77.0–78.5) |
| Acute HFA + emergency hospitalization only | 33.4 (32.6–34.3) | 83.0 (82.3–83.6) |
AAcute heart failure (HF) is defined as 2 conditions: an ICD-10 code for the most resource-consuming diagnosis of I50 and additional disease codes of 30101 or 30102 attached in the record. BNP, B-type natriuretic peptide; NT-proBNP, N-terminal pro BNP. Other abbreviations as in Table 1.