Table 1. Baseline characteristics from participants with data on AMD who had CAC measured at both baseline (Exam 1) and Exam 5.
| Characteristics | Overall Cohort (n = 2955)# |
No AMD (n = 2863)# |
Any AMD (n = 92)# |
Total n |
|---|---|---|---|---|
| Age*, years | 59.6 (9.2) | 59.3 (9.1) | 66.4 (9.4) | 2955 |
| Male, n (%) | 1379 (46.7) | 1332 (46.5) | 47 (51.1) | 2955 |
| Race* | ||||
| Caucasian, n (%) | 1148 (38.8) | 1103 (38.5) | 45 (48.9) | 2955 |
| Chinese, n (%) | 349 (11.8) | 340 (11.9) | 9 (9.8) | |
| African Americans, n (%) | 801 (27.1) | 787 (27.5) | 14 (15.2) | |
| Hispanics, n (%) | 657 (22.2) | 633 (22.1) | 24 (26.1) | |
| High school graduate, n (%) | 2552 (86.5) | 2480 (86.7) | 72 (79.1) | 2950 |
| Total cholesterol mg/dL | 194.2 (34.9) | 194.3 (35.0) | 192.1 (32.8) | 2947 |
| HDL cholesterol mg/dL | 51.0 (14.7) | 50.9 (14.7) | 53.4 (16.4) | 2944 |
| Hypertension medication, n (%) | 997 (33.8) | 964 (33.7) | 33 (35.9) | 2954 |
| Lipid lowering medication, n (%) | 448 (15.2) | 433 (15.1) | 15 (16.3) | 2954 |
| Diabetics, n (%) | 271 (9.2) | 262 (9.2) | 9 (9.8) | 2948 |
| Former smokers, n (%) | 1057 (35.8) | 1021 (35.7) | 36 (39.6) | 2950 |
| Current smokers, n (%) | 355 (12.0) | 345 (12.1) | 10 (11.0) | 2950 |
| CAC = 0, n (%) | 1739 (58.8) | 1693 (59.1) | 46 (50.0) | 2955 |
| 1–99, n (%) | 750 (25.4) | 730 (25.5) | 20 (21.7) | |
| 100–399, n (%) | 306 (10.4) | 290 (10.1) | 16 (17.4) | |
| ≥400, n (%) | 160 (5.4) | 150 (5.2) | 10 (10.9) | |
| CAC score among those CAC>0*, median (IQR) | 58.6 (15.4, 200.7) | 57.7 (15.2, 196.0) | 143.1 (20.6, 384.2) | 1216 |
Data are means (SD) or proportions unless otherwise indicated. Abbreviations: AMD = age-related macular degeneration; CAC = coronary artery calcium; IQR = interquartile range.
#Sample size when there is no missing data.
All tests controlled for age, with
* indicating significance at the p<0.05 level.