Table 3 Hazard Ratios and 95% Confidence Interval for CHD and CVD According to Continuous CAC Density and CAC Density Quartile

CHD

N (%) of events

161 (24.1%)

203 (18.1%)

276 (13.6%)

Per 1 SD of CAC density

0.91 (0.72–1.16)

0.70 (0.56–0.87)†

0.79 (0.66–0.95)*

CAC density Q2 versus Q1

0.79 (0.44–1.41)

0.88 (0.53–1.46)

0.93 (0.60–1.44)

CAC density Q3 versus Q1

0.79 (0.43–1.46)

0.67 (0.38–1.20)

0.56 (0.35–0.92)*

CAC density Q4 versus Q1

0.89 (0.47–1.67)

0.50 (0.28–0.91)*

0.59 (0.36–0.97)*

CVD

N (%) of events

248 (37.1%)

308 (27.5%)

433 (21.4%)

Per 1 SD of CAC Density

0.77 (0.64–0.94)†

0.83 (0.70–0.99)*

0.82 (0.71–0.95)†

CAC density Q2 versus Q1

0.71 (0.45–1.10)

1.04 (0.70–1.56)

0.81 (0.58–1.12)

CAC density Q3 versus Q1

0.62 (0.38-1.00)*

1.04 (0.66–1.64)

0.53 (0.37–0.78)†

CAC density Q4 versus Q1

0.54 (0.32–0.89)*

0.67 (0.41–1.08)

0.59 (0.41–0.86)†