Table 5 Results of validation of International classification of disease codes 428.0, 428.1 and 428.9
428.0 | 428.1 | 428.9 | |
|---|---|---|---|
Correct use of ICD code n, % (95% CI) | 45, 87% (77–96%) | 40, 80% (69–91%) | 38, 76% (64–88%) |
Incorrect use of ICD code n, % (95% CI) | 1, 2% (0–6%) | 3, 6% (0–13%) | 1, 2% (0–6%) |
Heart failure is complication during hospital stay n, % (95% CI) | 6, 12% (3–21%) | 7, 14% (4–24%) | 11, 22% (11–33%) |
Total (n) | 52 | 50 | 50 |