Table 4.
Category-free net reclassification improvement by RHI addition.
| Model | Events NRI | Non-Events NRI | Overall NRI | 95% CI | P |
|---|---|---|---|---|---|
| CAD | |||||
| Model-1 + Ln_RHI | 0.26 | 0.36 | 0.62 | 0.27 – 0.97 | 0.001 |
| FRS + Ln_RHI | 0.37 | 0.28 | 0.64 | 0.30 – 0.98 | <0.001 |
| Revascularization | |||||
| Model-1 + Ln_RHI | 0.23 | 0.24 | 0.48 | 0.11 – 0.85 | 0.013 |
| FRS + Ln_RHI | 0.20 | 0.15 | 0.35 | -0.01 – 0.71 | 0.063 |
Model-1 consists of gender, age, body mass index≥30, smoking, hypertension, diabetes mellitus, total cholesterol, high density lipoprotein cholesterol, ant triglycerides.
CAD: coronary artery disease, CI: confidence interval, FRS: Framingham Risk Score, NRI: net reclassification index, and RHI: reactive hyperemia-peripheral arterial tonometry index.