Table 1.
Characteristics of patients classified by high-sensitivity troponin assay
| hs-cTnT cohort (n=3159) | hs-cTnI cohort (n=4532) |
|
| Age, years; mean (SD) | 59.3 (13.3) | 57.2 (13.0) |
| Sex (% male) | 1866 (59.1) | 2694 (59.4) |
| Ethnicity (% Caucasian) | 2745 (87.5)* | 3917 (86.9) |
| Risk factors, n (%) | ||
| Hypertension | 1667 (52.8) | 2233 (49.3) |
| Diabetes | 476 (15.1) | 643 (14.2) |
| Dyslipidemia | 1773 (56.1) | 2319 (51.2) |
| Smoking current | 657 (20.8) | 1000 (22.1) |
| Family history of CAD | 1570 (49.7) | 2087 (46.1) |
| Medical history, n (%) | ||
| Angina | 960 (30.4) | 1129 (24.9) |
| Myocardial infarction | 734 (23.2) | 916 (20.2) |
| Percutaneous coronary intervention | 544 (17.2) | 701 (15.5) |
| Congestive cardiac failure | 162 (5.1) | 175 (3.9) |
| Stroke/TIA | 203 (6.4) | 261 (5.8) |
| CABG | 223 (7.1) | 267 (5.9) |
| TIMI risk score | ||
| Age≥65 | 1117 (35.4) | 1322 (29.2) |
| ≥3 Risk factors for coronary artery disease | 1046 (33.1) | 1344 (29.7) |
| Significant coronary stenosis | 907 (28.7) | 1109 (24.5) |
| Severe angina | 951 (30.1) | 1483 (32.7) |
| Aspirin use in the past 7 days | 1278 (40.5) | 1583 (34.9) |
| MACE within 30 days, n (%) | 376 (11.9) | 445 (9.8) |
*Data missing for ethnicity in 21 cases for hs-cTnT and 23 cases for hs-cTnI.
CABG, Coronary Artery Bypass Graft; CAD, Coronary Artery Disease; MACE, major adverse cardiac event; TIA, Transient Ischaemic Attack.