Table 3.
Multivariable Predictors of All-cause Mortality
| Variable | χ2 | P value | MVA HR (95% CI) |
|---|---|---|---|
| Age, per 5 years | 120.38 | <.001 | 1.70 (1.55-1.86) |
| CAC score | 18.63 | <.001 | |
| 0 | 1 (Referent) | ||
| 1-99 | 0.95 (0.70-1.30) | ||
| 100-399 | 1.21 (0.89-1.64) | ||
| ≥400 | 1.56 (1.16-2.11) | ||
| Physical activity level | 9.04 | .01 | |
| High | 1 (Referent) | ||
| Moderate | 1.27 (1.00-1.61) | ||
| Low | 1.55 (1.16-2.07) | ||
| Diabetes | 4.50 | .03 | 1.39 (1.04-1.86) |
| Chest pain symptoms | 4.01 | .41 | |
| Asymptomatic | 1 (Referent) | ||
| Nonanginal chest pain | 1.30 (0.96-1.75) | ||
| Atypical angina | 1.13 (0.80-1.60) | ||
| Typical angina | 1.32 (0.76-2.30) | ||
| Dyspnea only | 0.80 (0.25-2.50) | ||
| Smoking | 3.81 | .05 | 1.39 (1.01-1.92) |
| Hypertension | 2.42 | .12 | 1.15 (0.96-1.38) |
| Body mass index, per 5 kg/m2 | 1.97 | .16 | 0.92 (0.82-1.03) |
| Dyslipidemia | 1.30 | .25 | 0.90 (0.75-1.08) |
| Male sex | 0.67 | .41 | 1.09 (0.89-1.33) |
| Family history of premature CAD | 0.06 | .81 | 0.97 (0.79-1.20) |
CAC = coronary artery calcium; CAD = coronary artery disease; HR = hazard ratio; MVA = multivariate analysis.