Baseline Characteristics in the Overall Female Population and in Subgroups of Females Both Taking and Not Taking Calcium Supplementation *
| Variable | Overall(n = 144) | No Supplement(n = 119) | Supplement(n = 25) | P |
|---|---|---|---|---|
| Age (yr) | 67.8 ± 5.2 | 67.6 ± 5.0 | 68.5 ± 5.9 | .42 |
| Male Gender (n [%]) | 0 (0) | 0 (0) | 0 (0) | |
| Body Mass Index (kg/m2) | 28.6 ± 5.5 | 28.8 ± 5.7 | 27.2 ± 4.7 | .17 |
| Age <70 years (n [%]) | 97 (67) | 83 (70) | 14 (56) | .18 |
| Smoking (pack/yr) | 6.6 ± 12.6 | 6.6 ± 12.4 | 6.5 ± 14.1 | .94 |
| History of HTN (n [%]) | 86 (60) | 74 (62) | 12 (48) | .19 |
| Treated DM (n [%]) | 11 (8) | 10 (8) | 1 (4) | .45 |
| Tchol (mg/dL) | 220.2 ± 34.4 | 219.2 ± 35.2 | 225 ± 30.1 | .44 |
| LDL (mg/dL) | 124.8 ± 30.7 | 124.2 ± 31.4 | 127.8 ± 27.3 | .6 |
| HDL (mg/dL) | 58.6 ± 15.9 | 58.3 ± 16.4 | 60.1 ± 13.3 | .61 |
| TG (mg/dL) | 185.5 ± 80.0 | 185.5 ± 81.4 | 185.8 ± 74.6 | .98 |
| CAC score (base) | 160.7 ± 383.5 | 183.9 ± 416.9 | 50.4 ± 79.3 | .11 |
| AVC score (base) | 29.8 ± 91.0 | 30.7 ± 93.8 | 25.4 ± 77.9 | .79 |
| Serum calcium | 9.5 ± 0.4 | 9.5 ± 0.4 | 9.4 ± 0.3 | .38 |
| GFR (MDRD) | 66.3 ± 17.0 | 65.3 ± 18.3 | 69.3 ± 12.7 | .34 |
↵* Data source: the Epidemiology of Coronary Artery Calcification (ECAC) study.12
HTN, hypertension; DM, diabetes mellitus; LDL, low-density lipoprotein; HDL, high-density lipoprotein; TG, triglycerides; CAC, coronary artery calcification; AVC, aortic valve calcification; GFR, glomerular filtration rate; MDRD, Modification of Diet in Renal Disease equation.