Table 1. Baseline characteristics of study population stratified by GLS above and below the median (−20%).
BMI=Body Mass Index, LA=Left Atrial, LGE=Late Gadolinium Enhancement, LVEDV =Left Ventricular End Diastolic Volume, LVEF=Left Ventricular Ejection Fraction, LVESV =Left Ventricular End Systolic Volume Index, MI=Myocardial Infarction, RVEDV = Right Ventricular End Diastolic Volume, RVEF=Right Ventricular Ejection Fraction, SD=standard deviation.
| CHARACTERISTICS | Total | GLS <median | GLS ≥median | P Value |
|---|---|---|---|---|
| CLINICAL HISTORY | ||||
| Age (±SD), years | 57.1 (±15.9) | 56.6 (±16.0) | 57.5 (±15.8) | 0.287 |
| Male % | 53.5 | 48.2 | 58.9 | <0.001 |
| BMI (±SD), kg/m2 | 28.8 (±8.0) | 28.6 (±6.4) | 28.9 (±9.4) | 0.504 |
| Diabetes % | 19.2 | 17.6 | 20.9 | 0.139 |
| Hyperlipidemia % | 41.5 | 42.7 | 40.3 | 0.375 |
| Hypertension % | 57.0 | 54.8 | 59.7 | 0.074 |
| Smoking % | 5.7 | 5.5 | 5.8 | 0.808 |
| History of MI % | 5.7 | 5.2 | 6.2 | 0.466 |
| Aspirin % | 42.3 | 40.3 | 44.2 | 0.175 |
| Statin % | 37.4 | 37.8 | 36.9 | 0.753 |
| ACE inhibitor % | 26.4 | 25.6 | 27.3 | 0.494 |
| Beat Blocker % | 22.5 | 20.8 | 24.1 | 0.176 |
| CMR VARIABLES | ||||
| Heart Rate (±SD), beats/min | 71.8 (±13.9) | 70.3 (±13.1) | 73.4 (±14.5) | <0.001 |
| Systolic BP (±SD), mm Hg | 133(±20) | 133(±19) | 133(±21) | 0.644 |
| Diastolic BP (±SD), mm Hg | 75(±23) | 74(±11) | 76(±31) | 0.060 |
| LA volume | 50.9 (±40.0) | 49.9 (±34.2) | 51.8 (±44.0) | 0.383 |
| LVEDV index (±SD), ml/m2 | 60.6 (±19.7) | 61.5 (±19.6) | 59.8 (±19.8) | 0.118 |
| LVESV index (±SD), ml/m2 | 22.1 (±11.4) | 20.7 (±11.0) | 23.4 (±11.8) | <0.001 |
| LVEF (±SD), % | 63.0 (±6.6) | 64.6 (±6.6) | 61.3 (±6.1) | <0.001 |
| LGE present % | 18.4 | 14.3 | 22.4 | <0.001 |
| RVEDV index (±SD), ml/m2 | 80.6 (±12.7) | 81.6 (±11.9) | 79.7 (±13.4) | 0.006 |
| RVEF (±SD), % | 54.8 (±3.2) | 54.9 (±2.1) | 54.6 (±3.0) | 0.039 |