Table 1 Baseline characteristics, cardiac parameters derived from magnetic resonance imaging, and serum troponin levels.
Variable* | Â | Fibrosis Absent (n = 39) | Fibrosis Present (n = 35) |
|---|---|---|---|
Age (years) | Â | 58 (44, 68) | 58 (45, 70) |
Male (%) | Â | 61.5 | 60.0 |
Race (%) | White | 56.4 | 60.0 |
| Â | Black | 25.6 | 22.9 |
| Â | Hispanic | 5.1 | 8.6 |
| Â | Asian | 0 | 5.7 |
| Â | Other | 12.8 | 2.9 |
Hypertension (%) | Â | 56.8 | 50.0 |
Dyslipidemia (%) | Â | 38.9 | 50.0 |
Diabetes (%) | Â | 11.1 | 16.1 |
Smoking History (%) | Former (>1 year) | 22.9 | 20.0 |
| Â | Current | 5.7 | 16.7 |
Height (ins.) | Â | 69 (66, 73) | 68.5 (65.5, 70) |
Weight (lbs.) | Â | 200 (162, 230) | 195 (146.5, 233) |
Body surface area (m^2) | Â | 2.09 (1.85, 2.30) | 2.05 (1.79, 2.28) |
Systolic blood pressure (mm Hg) | Â | 117 (111,141) | 117 (108, 133) |
Diastolic blood pressure (mm Hg) | Â | 76 (65, 81) | 71 (64, 82) |
Heart rate (bpm) | Â | 80 (70, 86) | 74 (64, 86) |
Left atrial volume (mL) | Â | 109 (87, 165) | 122 (87, 179) |
Left ventricular ejection fraction (%) | Â | 37 (27, 45) | 35 (27, 46) |
Left ventricular end-diastolic volume (mL) | Â | 200 (156, 238) | 214 (170, 264) |
Left ventricular end-systolic volume (mL) | Â | 127 (80, 155) | 133 (88, 185) |
Left ventricular stroke volume (mL) | Â | 68 (53, 79) | 74 (63, 91) |
Left ventricular muscle mass (gm) | Â | 127.95 (128.00, 201.40) | 177.00 (132.70, 223.00) |
Left ventricular fibrosis percentage (%)†|  | 0.00 (0.00, 0.00) | 3.00 (2.00, 7.00) |
Troponin T (ng/L) | Â | 8.0 (4.0, 21.0) | 14.0 (7.0, 21.0) |