Table 2 Demographic characteristics of Jackson Heart Study participants with diabetes, by presence/absence of CAC
Variable | CAC 130 HU <10 (N = 68) | CAC 130 HU ≥10 (N = 137) | Full Sample (N = 205) | P-value | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Mean | SD | Median | Mean | SD | Median | Mean | SD | Median | ||
Age (years) | 54.3 | 10.1 | 53.0 | 60.7 | 9.3 | 60.0 | 58.4 | 10.1 | 59.0 | <0.0001 |
Female (%) | 73.5 | 63.7 | 67.2 | 0.10 | ||||||
African Ancestry proportion (%) | 79.9 | 6.5 | 80.7 | 78.1 | 8.4 | 79.5 | 78.8 | 7.8 | 80.0 | 0.21 |
Diabetes duration (years) | 8.2 | 7.8 | 6.0 | 11.4 | 9.7 | 10.0 | 10.3 | 9.2 | 8.0 | 0.01 |
HbA1c (%) | 7.7 | 2.0 | 7.2 | 7.9 | 1.8 | 7.6 | 7.8 | 1.9 | 7.4 | 0.06 |
C-reactive protein (mg/dl) | 0.6 | 0.8 | 0.4 | 0.7 | 1.0 | 0.4 | 0.7 | 0.9 | 0.4 | 0.79 |
Glucose (mg/dl) | 147.4 | 62.4 | 133.0 | 145.1 | 53.0 | 130.0 | 146.0 | 56.5 | 132.5 | 0.90 |
Low density lipoprotein cholesterol (mg/dl) | 115.9 | 33.1 | 116.0 | 122.2 | 39.5 | 120.0 | 119.9 | 37.4 | 117.0 | 0.12 |
High density lipoprotein cholesterol (mg/dl) | 50.3 | 13.0 | 47.0 | 48.3 | 13.9 | 45.0 | 49.0 | 13.6 | 46.0 | 0.12 |
Triglycerides (mg/dl) | 118.5 | 63.1 | 100.0 | 142.0 | 100.3 | 113.0 | 133.6 | 89.5 | 108.0 | 0.12 |
Body Mass Index (kg/m2) | 34.2 | 7.0 | 33.6 | 34.0 | 6.5 | 33.0 | 34.1 | 6.7 | 33.1 | 0.94 |
CAC 130 HU (Hounsfield unit) | 1.2 | 2.4 | 0.0 | 548.4 | 866.1 | 206.4 | 354.8 | 743.3 | 60.0 | NA |
ACE inhibitor use (%) | 78.0 | 79.8 | 79.2 | 0.73 | ||||||
Current smoker (%) | 11.2 | 11.2 | 11.2 | 0.99 | ||||||
Past smoker (%) | 20.4 | 30.7 | 27.1 | 0.06 | ||||||
Hypertension (%) | 82.5 | 86.6 | 85.1 | 0.36 | ||||||
Lipid-lowering medication (%) | 18.6 | 33.5 | 28.4 | 0.01 | ||||||