Table 1. Demographic and Clinical Characteristics of Acute Coronary Syndrome Patients by Beck Depression Inventory-II Group.
| BDI-II ≥ 14 (n=24) | BDI-II < 14 (n=27) | p-value | |
| Age M (year) ± SD | 60.38 ± 15.6 | 59.7 ± 13.0 | .868 |
| Male | 13 (54.2) | 20 (74.1) | .138 |
| Race | .669 | ||
| White | 14 (58.3) | 16 (59.3) | |
| Black | 6 (25) | 5 (18.5) | |
| Hispanic | 2 (8.3) | 5 (18.5) | |
| Other | 2 (8.3) | 1 (3.7) | |
| Marital Status | .417 | ||
| Married | 16 (66.7) | 15 (55.6) | |
| Single | 8 (33.3) | 12 (44.4) | |
| Education | .725 | ||
| ≤ High school diploma | 12 (50) | 12 (44.4) | |
| Some college or vocational | 4 (16.7) | 7 (25.9) | |
| College Degree | 8 (33.3) | 8 (29.6) | |
| BMI M ± SD | 30.13 ± 5.7 | 31.52 ± 4.6 | .342 |
| Current Alcohol Use | 6 (25) | 8 (29.6) | .712 |
| Current Cigarette Use | 4 (16.7) | 7 (25.9) | .422 |
| BDI-II Score M ± SD | 20.88 ± 5.7 | 5.26 ± 3.8 | .000* |
| Platelet Serotonin (ng/109platelets) | |||
| Platelet Serotonin M ± SD | 942.10 ± 461.3 | 1192.41 ± 764.3 | .231 |
| Time to laboratory processing M (minutes) ± SD | 115.63 ± 53.85 | 113.19 ± 50.08 | .868 |
| Current Hospitalization | |||
| Diagnosed AMI | 9 (37.5) | 20 (74.1) | .008* |
| LVEF M ± SD | 45.48 ± 14.3 | 53.16 ± 9.4 | .050 |
| Medically treated only | 8 (33.3) | 7 (25.9) | .562 |
| Invasive cardiac procedure | 16 (66.7) | 20 (74.1) | .562 |
| Coronary Angioplasty/Stent | 14 (58.3) | 15 (55.6) | .842 |
| CABG | 2 (8.3) | 4 (14.8) | .671 |
| Self-Report Medical History | |||
| CABG | 8 (33.3) | 3 (11.1) | .054 |
| AMI | 11 (45.8) | 7 (26.9) | .164 |
| AMI Males <50 years of age | 3 (12.5) | 1 (3.7) | .331 |
| AMI Females <55 years of age | 2 (8.3) | 1 (3.7) | .595 |
| Coronary Angioplasty | 3 (12.5) | 0 | .097 |
| Coronary Stent | 12 (50) | 4 (14.8) | .007* |
| CAD | 12 (50) | 9 (33.3) | .227 |
| Diabetes | 12 (50) | 10 (37) | .351 |
| Hypertension | 19 (79.2) | 14 (51.9) | .042* |
| Stroke | 2 (8.3) | 2 (7.4) | 1.00 |
| History of depression diagnosis or treatment | 5 (21.7) | 3 (11.1) | .444 |
| Familial History of CAD | 18 (75) | 22 (81.5) | .574 |
a. p-value= 2-tailed level of significance; b. percentages in parenthesis unless indicated otherwise; c. table abbreviations: M=mean; SD= standard deviation; BMI= body mass index; BDI-II= Beck Depression Inventory-II; AMI= acute myocardial infarction; LVEF= left ventricular ejection fraction; CABG= coronary artery bypass surgery; CAD= coronary artery disease.