Table 3 Diagnostic performance (95% confidence intervals) of heart failure-free cohort compared to Medicare referent standards
HF according to Medicare N (%) | Excluded from HF-free cohort N | Included in HF-free cohort N | NPV % | PPV % | Sens % | Spec % | ||
|---|---|---|---|---|---|---|---|---|
Hospitalization for HF | + | 293 (2.9%) | 229 | 64 | 99.2% (99.1–99.4%) | 14.6% (12.9–16.4%) | 78.2% (73.4–82.9%) | 86.3% (85.6–87.0%)( |
– | 9766 (97.1%) | 1338 | 8428 | |||||
Principal diagnosis of HF | + | 968 (9.6%) | 642 | 326 | 96.2% (95.8–96.6%) | 41.0% (38.5–43.4%) | 66.3% (63.3–69.3%) | 89.8% (89.2–90.4%) |
– | 9091 (90.4%) | 925 | 8166 | |||||
Any diagnosis of HF | + | 1135 (11.3%) | 709 | 426 | 95.0% (94.5–95.4%) | 45.2% (42.8–47.7%) | 62.5% (59.6–65.3%) | 90.4% (89.8–91.0%) |
– | 8924 (88.7%) | 858 | 8066 |