Table 1. Patient Characteristics.
| Characteristic | No. (%) | |
|---|---|---|
| Screening group (n = 434) | Control group (n = 422) | |
| Age, mean (SD), y | 79.8 (3.8) | 80.1 (4.1) |
| Sex | ||
| Female | 255 (58.8) | 232 (55.0) |
| Male | 179 (41.2) | 190 (45.0) |
| Location | ||
| Canada | 283 (65.2) | 272 (64.4) |
| Germany | 151 (34.8) | 150 (35.5) |
| Race/ethnicity | ||
| White | 409 (94.2) | 397 (94.1) |
| Black | 7 (1.6) | 6 (1.4) |
| Asian | 14 (3.2) | 13 (3.1) |
| Othera | 4 (0.9) | 6 (1.4) |
| Baseline blood pressure, mean (SD), mm Hg | ||
| Systolic | 140 (17.1) | 141 (17.9) |
| Diastolic | 75.1 (9.5) | 74.6 (9.9) |
| Height, mean (SD), cm | 165 (10.6) | 165 (9.7) |
| Weight, mean (SD), kg | 76.9 (16.4) | 76.1 (16.2) |
| BMI, mean (SD) | 28.1 (5.4) | 27.8 (5.4) |
| CHA2DS2-VASc score, median (IQR) | 4.0 (4.0-5.0) | 4.0 (4.0-5.0) |
| Medical history | ||
| Diabetes | 102 (23.7) | 103 (24.4) |
| Congestive heart failure | 16 (3.7) | 19 (4.5) |
| Ischemic stroke, TIA, or systemic embolism | 40 (9.3) | 43 (10.2) |
| Coronary artery disease | 72 (16.7) | 80 (19.0) |
| Coronary angioplasty/coronary stent | 47 (10.9) | 46 (10.9) |
| Myocardial infarction | 42 (9.7) | 38 (9.0) |
| Hyperlipidemia | 241 (56.0) | 234 (55.5) |
| Severe aortic or mitral valve disease | 4 (0.9) | 4 (0.9) |
| Rheumatic valve disease | 3 (0.7) | 1 (0.2) |
| Prosthetic heart valve | 3 (0.7) | 1 (0.2) |
| Sleep apnea | 31 (7.2) | 23 (5.5) |
| Dialysis | 0 | 0 |
| Cardiac surgery | ||
| CABG | 20 (4.6) | 29 (6.9) |
| Valve surgery | 4 (0.9) | 3 (0.7) |
| Peripheral artery disease (aortic plaque) | 26 (6.0) | 24 (5.7) |
| Dementia | 6 (1.4) | 2 (0.5) |
| Smoker | ||
| Current | 26 (6.0) | 20 (4.7) |
| Past | 153 (38.0) | 154 (38.3) |
| History of any palpitations in past year (patient self-report) | 73 (16.9) | 75 (17.8) |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); CABG, coronary artery bypass graft; CHA2DS2-VASc, congestive heart failure, hypertension, age ≥75 years, diabetes, stroke or transient ischemic attack, vascular disease, age 65-74 years, sex category; TIA, transient ischemic attack.
a
Other includes the following categories: Hispanic/Latino, Middle Eastern, Aboriginal, and Other.