Table 3.
Numbers of Cardiovascular Disease Events and Descriptive Data on Carotid Plaque Presence, Coronary Artery Calcium, and Carotid Intima-Media Thickness*
| All Participants | All Participants with Re-Read Carotid Ultrasound | Participants with Re-Read Left CCA IMT measurements | Participants with Re-Read Right CCA IMT measurements | |
|---|---|---|---|---|
| Analytic sample size | 6,779 | 3,310 | 3,044 | 3,098 |
| CVD event, % (n) | 7.9 (538) | 5.0 (166) | 5.0 (151) | 5.0 (156) |
| CVD death | 5.5 (370) | 2.8 (91) | 2.7 (82) | 2.7 (83) |
| CHD event, % (n) | 5.7 (388) | 4.1 (136) | 4.0 (121) | 4.2 (130) |
| Myocardial infarction | 2.5 (171) | 1.6 (54) | 1.5 (46) | 1.6 (50) |
| CHD death | 3.5 (235) | 1.7 (55) | 1.5 (47) | 1.7 (51) |
| Cardiac arrest | 0.4 (24) | 0.1 (2) | 0.1 (2) | 0.03 (1) |
| Definite Angina | 2.6 (175) | 2.8 (92) | 2.8 (84) | 2.9 (89) |
| Probable angina w/PCI | 1.1 (77) | 1.2 (38) | 1.2 (35) | 1.1 (34) |
| Stroke, % (n) | 2.2 (148) | 1.1 (36) | 1.2 (35) | 1.0 (32) |
| Stroke + TIA, % (n) | 2.9 (196) | 1.7 (57) | 1.8 (55) | 1.6 (50) |
| CAC present, % (n) | 49.9 (3,382) | 44.7 (1,479) | 44.2 (1,345) | 44.1 (1,366) |
| CAC score (if present), mean (SD) | 290.8 (545.9) | 222.6 (417.0) | 220.0 (415.4) | 222.7 (422.7) |
| Plaque present, % (n) | – | 46.7 (1,544) | – | – |
| Plaque score (if present), mean (SD) | – | 2.4 (1.6) | – | – |
| Left CCA mean IMT (mm), mean (SD) | 0.743 (0.250)** | – | 0.754 (0.210) | – |
| Left CCA max IMT(mm), mean (SD) | 0.853 (0.279)** | – | 0.930 (0.246) | – |
| Right CCA mean IMT (mm), mean (SD) | 0.734 (0.232)** | – | – | 0.751 (0.187) |
| Right CCA max IMT (mm), mean (SD) | 0.846 (0.262)** | – | – | 0.921 (0.220) |
*
Raw data without multiple imputation.
**
Left CCA Mean IMT sample size = 6570; Left CCA max IMT sample size = 6570; Right CCA mean IMT sample size = 6623; Right CCA max IMT sample size = 6623
Abbreviations as in Table 1: CCA = common carotid artery; IMT = intima media thickness; CAC = coronary artery calcium; CVD = cardiovascular disease; CHD = coronary heart disease; PCI = percutaneous coronary intervention; TIA = transient ischemic attack