Table 2.
Mortality rate based on CAC.
| Number | Person-Years | Mortality (n) | Morality Rate (per 105 PY) |
Unweighted HR (95% CI) | IPTW HR (95% CI) | ||
|---|---|---|---|---|---|---|---|
| Model 1 | Model 2 | ||||||
| CAC (AU, 1 unit increase) |
56,469 | 354,585.17 | 34 | 9.59 (6.85–13.42) | 1.0008 (1.0003–1.0013) |
1.0006 (1.0001–1.0012) |
1.0007 (1.0003–1.001) |
| CAC = 0 | 47,242 (83.66) | 30,2516.41 | 10 | 3.31 (1.78–6.14) | 1 (reference) | 1 (reference) | 1 (reference) |
| CAC > 0 | 9227 (16.34) | 52,068.76 | 24 | 46.09 (30.89–68.77) | 6.25 (2.66–14.71) | 5.59 (2.27–13.79) | 7.13 (2.87–17.71) |
Abbreviations: AU, Agatston unit; CAC, Coronary artery calcium; CI: confidence interval; HR: hazard ratio; IPTW: inverse probability of treatment weighting; PY, person-year.Model 1: adjusted for age, sex; Model 2: adjusted for sex, age, BMI, alcohol intake, smoking status, education level, systolic blood pressure, fasting glucose, serum LDL, history of heart disease, diabetes, dyslipidemia, and hypertension. IPTW: marginal structural model based on IPTW.