Table 3.
Patient characteristics of the patients with a magnetic resonance scan.
| Factor | Retrospective (training) | Prospective (test) | p value |
|---|---|---|---|
| Number of patients | 85 | 40 | |
| Age, years | 55 [41–66] | 56 [46–64] | 0.667 |
| Female, n (%) | 53 (62.4) | 16 (40.0) | 0.022 |
| BSA, m2 | 2.03 (0.35) | 2.03 (0.27) | 0.984 |
| BMI, kg/m2 | 55.37 (231.98) | 29.77 (6.23) | 0.488 |
| Coronary artery disease, n (%) | 38 (44.7) | 13 (33.3) | 0.246 |
| Hypertension, n (%) | 43 (50.6) | 27 (69.2) | 0.078 |
| Cerebral vessel disease, n (%) | 6 (7.1) | 3 (12.5) | 0.410 |
| Diabetes mellitus, n (%) | 21 (24.7) | 13 (33.3) | 0.387 |
| Atrial fibrillation, n (%) | 8 (9.4) | 4 (10.3) | >0.99 |
| NYHA ≥III, n (%) | 12 (14.1) | 16 (40.0) | 0.002 |
| HF stages C or D, n (%) | 17 (20.0) | 21 (52.5) | <0.001 |
| Echocardiography | |||
| IVSd, mm | 10 [8–12] | 10 [9–11] | 0.983 |
| PWTd, mm | 9 [8–11] | 10 [9–11] | 0.503 |
| LVIDd, mm | 48 [42–53] | 48 [45–57] | 0.165 |
| LVIDs, mm | 34 [29–42] | 35 [30–48] | 0.378 |
| LVEDVi, mL/m2 | 54 [40–67] | 57 [45–69] | 0.537 |
| LVESVi, mL/m2 | 23 [16–40] | 27 [20–45] | 0.168 |
| LA volume index, mL/m2 | 22 [18–33] | 32 [21–39] | 0.011 |
| LV mass index, mg/m2 | 79 [67–103] | 96 [70–132] | 0.057 |
| E wave velocity, m/s | 0.85 [0.62–1.00] | 0.86 [0.69–1.00] | 0.816 |
| A wave velocity, m/s | 0.60 [0.51–0.84] | 0.68 [0.49–0.83] | 0.980 |
| E / A ratio | 1.26 [0.84–1.77] | 1.16 [0.90–1.66] | 0.810 |
| e', cm/s | 9 [6–12] | 8 [6–11] | 0.317 |
| E / e' | 8.4 [6.6–11.3] | 10.4 [7.6–14.8] | 0.093 |
| LVEF, % | 55 [42–63] | 48 [34–56] | 0.025 |
| GLS, absolute % | NA | 12.8 [7.9–19.4] | NA |
| LV hypertrophy, n (%) | 0.136 | ||
| LV diastolic function, n (%) | 0.173 | ||
| Normal | 17 (20.0) | 3 (8.3) | |
| Grade 1 | 28 (32.9) | 11 (30.6) | |
| Grade 2 | 18 (21.2) | 15 (41.7) | |
| Grade 3 | 17 (20.0) | 5 (13.9) | |
| Indeterminate | 5 (5.9) | 2 (5.6) | |
| Indeterminate grade | 0 (0.0) | 0 (0.0) |
Abbreviations are the same as in Table 1.