Table 1.
Socio-Demographic and Clinical Characteristics of Study Patients According to Order of Acute Coronary Syndrome: TRACE-CORE
| Characteristic | First Episode* (n=1,034) | Recurrent Episode (n=1,140) | P value |
|---|---|---|---|
| Socio-Demographic | |||
| Age (mean, yrs) | 59.3 | 63.2 | <0.001 |
| Male (%) | 64.1 | 68.7 | <0.05 |
| Non-Hispanic white (%) | 83.3 | 79.0 | <.01 |
| Married (%) | 60.8 | 56.1 | <.05 |
| Education (%) | |||
| High school or less | 41.7 | 50.8 | |
| Some college | 27.7 | 29.9 | <.001 |
| College graduate | 30.6 | 19.3 | |
| Currently working (%) | 54.3 | 29.0 | <0.001 |
| Body mass index (mean) | 29.9 | 30.5 | 0.06 |
| Hospital length of stay (mean, days) | 4.8 | 5.1 | 0.83 |
| Comorbidities at admission (%) | |||
| Atrial fibrillation | 3.8 | 12.0 | <0.001 |
| Chronic kidney disease | 4.6 | 16.6 | <.001 |
| Chronic lung disease | 11.9 | 23.3 | <.001 |
| Depression | 10.4 | 14.7 | <0.005 |
| Diabetes | 22.1 | 39.9 | <0.001 |
| Heart failure | 4.3 | 22.9 | <0.001 |
| Hyperlipidemia | 53.2 | 82.8 | <0.001 |
| Hypertension | 62.7 | 88.1 | <0.001 |
| Stroke | 2.6 | 7.8 | <0.001 |
| Physiologic variables (mean, at admission) | |||
| Blood pressure (diastolic, mmHg) | 82.7 | 78.6 | <.001 |
| Blood pressure (systolic, mmHg) | 142.7 | 140.7 | 0.08 |
| Estimated GFR (ml/min/1.73m2) | 83.1 | 75.7 | <.001 |
| Heart rate (bpm) | 78.8 | 76.9 | <.05 |
| Serum cholesterol (mg/dl) | 182.4 | 162.1 | <.001 |
| Serum glucose (mg/dl) | 146.1 | 155.4 | <.005 |
| Troponin (mg/mL) | 21.9 | 12.5 | <0.001 |
GFR – glomerular filtration rate
*
History of angina, myocardial infarction, percutaneous coronary intervention, or coronary artery bypass graft surgery