Table 1.
Baseline Characteristics of Study Subjectsa
| Characteristics | Value |
|---|---|
| Follow‐up time, y | 3.8 (0.3–4.3) |
| Sociodemographics | |
| Age, y | 65 ± 13 |
| Male | 280 (56%) |
| Race | |
| Caucasian | 106 (21%) |
| Black | 63 (13%) |
| Hispanic | 178 (35%) |
| Asian | 40 (8%) |
| Other | 116 (23%) |
| Insurance | |
| Medicaid | 60 (12%) |
| Medicare | 175 (35%) |
| Other | 268 (53%) |
| Laboratory measurements | |
| WBC (1000/μL) | 8 ± 3 |
| Hemoglobin (g/dL) | 13 ± 2 |
| RDW (%) | 15 ± 3 |
| Platelets (1000/μL) | 244 ± 87 |
| Tn max (ng/mL) | 0.01 (0.00–0.12) |
| Creatinine (mg/dL) | 1 (0.8–1.3) |
| Medical history | |
| Heart failure | 173 (34%) |
| CAD | 287 (57%) |
| HTN | 392 (78%) |
| Diabetes | 218 (43%) |
| Dyslipidemia | 228 (45%) |
| Smoking | 155 (31%) |
| FHx | 106 (21%) |
| Prior interventions | |
| Previous CABG | 72 (14%) |
| Previous stenting | 139 (28%) |
| Diagnosis | |
| UA | 406 (81%) |
| NSTEMI | 97 (19%) |
| Clinical measurements | |
| T max, °F | 99.3 ± 1.0 |
| Length of stay, d | 6 (4–10) |
| Treatment | |
| Medical therapy only | 270 (53%) |
| PCI | 180 (36%) |
| CABG | 53 (11%) |
| Readmission | |
| 30‐day readmission | 107 (21%) |
| 30‐day cardiac readmission | 77 (15%) |
| Any readmission | 319 (63%) |
| Cardiac readmission | 255 (51%) |
Abbreviations: CABG, coronary artery bypass graft; CAD, coronary artery disease; FHx, family history of coronary artery disease; HTN, hypertension; NSTEMI, non–ST‐elevation myocardial infarction; PCI, percutaneous coronary intervention; RDW, red blood cell distribution width; T max, maximal temperature; Tn max, maximal troponin I; UA, unstable angina; WBC, white blood cell count.
N = 503. Continuous variables are reported as mean ± standard deviation if normally distributed, median (range) if not. Categorical variables are reported as frequency (percentage).