Table 2.
Cohort Characteristics Stratified by the Presence/Absence of Coronary Artery Calcium (ANCOVA)
| Variable | CAC > 0 (N = 295) | CAC = 0 (N = 215) | P value |
|---|---|---|---|
| Age (years), mean (SD)a | 66.69 (10.18) | 61.48 (11.07) | <0.01 |
| Female, n (%)b | 85 (29%) | 110 (51%) | <0.01 |
| BMI (kg/m2), mean (SD)c | 26.70 (3.831) | 26.49 (4.412) | 0.511 |
| Parent heart disease before 55, n (%)c | 65 (22%) | 44 (20%) | 0.106 |
| Sibling heart disease before 55, n (%)c | 28 (9%) | 15 (7%) | 0.172 |
| Coronary artery calcium, meanc | 350.67 (SD = 650.34; Median = 94.63) | 0 (SD = 0; Median = 0) | <.01 |
| Diabetic, n (%)c | 13 (5.1%) | 1 (0.5%) | 0.016 |
| Hypertension, n (%)c | 155 (37.36%) | 69 (20.71%) | <0.01 |
| Dyslipidemia, n (%)c | 114 (38.64%) | 65 (30.23%) | 0.180 |
| Smoke at time of scanc | 12 (9%) | 9 (10%) | 0.671 |
| Drank alcohol before scanc | 236 (81%) | 176 (83%) | 0.312 |
| Changed alcohol use after scanc | 24(8%) | 8(4%) | <0.01 |
| Started exercising after scanc | 35 (12%) | 14 (7%) | 0.04 |
| Increased exercise after scanc | 55 (19%) | 26 (12%) | <0.01 |
| Changed exercise type after scanc | 36 (13%) | 20 (10%) | 0.164 |
| Changed diet after scanc | 95 (33%) | 44 (21%) | <0.01 |
BMI body mass index, CAC coronary artery calcium
aAdjusted for gender
bAdjusted for age
cAdjusted for age and gender