Table 3.
Predictors of CAC after adjusting for traditional risk factors by multivariable analysis
| Variable | Category | OR (95% CI) | P Value |
|---|---|---|---|
| Traditional factors | |||
| Age, y | 35–50 | 1 | 0.04 |
| 51–60 | 1.32 (0.43‐4.06) | ||
| >60 | 3.32 (1.01‐10.9) | ||
| Sex | F | 1 | 0.002 |
| M | 3.33 (1.56‐7.12) | ||
| Hyperlipidemia | N | 1 | 0.97 |
| Y | 1.01 (0.47‐2.17) | ||
| HTN | N | 1 | 0.34 |
| Y | 1.48 (0.66‐3.29) | ||
| Waist‐hip ratioa | — | 0.97 (0.59‐1.62) | 0.92 |
| BMIb | — | 1.07 (0.82‐1.40) | 0.61 |
| Other factors | |||
| Duration of DMb | — | 1.33 (1.04‐1.71) | 0.03 |
| Cardiac factors | |||
| Mean CIMT | 1st quartile | 1 | 0.05 |
| 2nd quartile | 0.95 (0.36‐2.47) | ||
| 3rd quartile | 4.57 (1.26‐16.5) | ||
| 4th quartile | 2.20 (0.59‐8.26) | ||
| Max CIMT | 1st quartile | 1 | 0.83 |
| 2nd quartile | 0.81 (0.30‐2.24) | ||
| 3rd quartile | 0.59 (0.18‐1.88) | ||
| 4th quartile | 0.83 (0.22‐3.14) | ||
| Carotid plaque | N | 1 | 0.02 |
| Y | 2.59 (1.17‐5.74) |
Abbreviations: BMI, body mass index; CAC, coronary artery calcium; CI, confidence interval; CIMT, carotid intima‐media thickness; DM, diabetes mellitus; F, female; HTN, hypertension; M, male; N, no; OR, odds ratio; Y, yes.
a
OR given for a 0.1‐unit increase in predictor variable.
b
OR given for a 5‐unit increase in predictor variable.