Table 5.
Global χ2 values and net reclassification index for the addition of AVC to CAC in patients with CAC <100
| χ 2 for CAC | χ 2 for CAC+AVC | χ 2 improvement | P-value | NRI (95% CI) | Net cases (%) | Net control (%) | P-value | |
|---|---|---|---|---|---|---|---|---|
| ACM | 64.1 | 93.5 | 29.5 | <0.001 | 6.5% (2.7–10.3) | 8.4 | −1.9 | 0.001 |
| CVD death | 20.2 | 34.0 | 13.8 | <0.001 | 9.9% (1.6–18.2) | 11.9 | −2.0 | 0.027 |
| CHD death | 23.1 | 30.1 | 7.0 | 0.008 | 10.9% (−0.1–22.7) | 12.9 | −2.0 | 0.091 |
AVC, aortic valve calcification; CAC, coronary artery calcification; NRI, net reclassification index.