Table 5.
Receiver‐operating curve analyses for detection of cats with HCM
| ASYMP | LAD | HF | |
|---|---|---|---|
| Cutoff value (ng/mL) | 0.163 | 0.213 | 0.234 |
| AUC | 0.85 | 0.86 | 0.93 |
| 95% confidence interval | 0.79‐0.90 | 0.80‐0.91 | 0.88‐0.96 |
| Sensitivity (%) | 62.0 | 84.6 | 95.0 |
| Specificity (%) | 100 | 84.9 | 77.8 |
| FPR (%) | 0.0 | 15.1 | 22.2 |
| FNR (%) | 38.0 | 15.4 | 5.0 |
| PPV (%) | 100.0 | 61.1 | 35.2 |
| NPV (%) | 71.1 | 95.2 | 99.2 |
Abbreviations: ASYMP, asymptomatic cats without left atrial dilatation; AUC, area under the receiver‐operating characteristic curve; FNR, false negative ratio; FPR, false positive ratio; HF, cats with heart failure; LAD, asymptomatic cats with left atrial dilatation; NPV, negative predictive value; PPV, positive predictive value.