Table 3:
Comparison of cardiovascular magnetic resonance imaging in control and hypertrophic cardiomyopathy patients.
| Control | Hypertrophic cardiomyopathy | p-value | |||
|---|---|---|---|---|---|
| n | Median (IQR) | n | Median (IQR) | ||
| Left ventricular ejection fraction (%) | 19 | 60 (58, 64) | 30 | 69 (63, 71) | 0.001 |
| Left ventricular mass index (g/m2) | 19 | 57 (54, 62) | 30 | 79 (65, 91) | <0.001 |
| Right ventricular ejection fraction (%) | 12 | 57 (55, 60) | 30 | 64 (60, 68) | <0.001 |
| Base circumferential strain (%) | 19 | −16.9 (−18.4, −16.7) | 29 | −14.0 (−15.7, −12.8) | <0.001 |
| Mid circumferential strain (%) | 19 | −16.8 (−19.5, −15.2) | 29 | −14.3 (−16.0, −12.5) | 0.001 |
| Apex circumferential strain (%) | 19 | −18.4 (−20.5, −15.9) | 28 | −14.7 (−17.4, −10.7) | 0.001 |
| Global circumferential strain (%) | 18 | −17.3 (−19.9, −15.7) | 28 | −14.3 (−16.0, −12.1) | <0.001 |
| Base T1 (ms) | 19 | 996 (981, 1007) | 23 | 1026 (989, 1039) | 0.013 |
| Mid T1 (ms) | 19 | 990 (964, 1004) | 30 | 1013 (986, 1036) | 0.007 |
| Apex T1 (ms) | 18 | 983 (968, 1005) | 23 | 996 (969, 1032) | 0.237 |
| Global T1 (ms) | 18 | 990 (972, 1001) | 22 | 1015 (991, 1026) | 0.019 |
| Base partition coefficient | 19 | 0.39 (0.36, 0.39) | 23 | 0.39 (0.35, 0.45) | 0.850 |
| Mid partition coefficient | 19 | 0.39 (0.36, 0.43) | 28 | 0.39 (0.37, 0.43) | 0.948 |
| Apex partition coefficient | 17 | 0.42 (0.40, 0.45) | 21 | 0.41 (0.37, 0.45) | 0.437 |
| Global partition coefficient | 17 | 0.40 (0.39, 0.42) | 19 | 0.39 (0.37, 0.46) | 0.812 |
| Base synthetic extracellular volume | 19 | 0.23 (0.21, 0.23) | 23 | 0.22 (0.20, 0.26) | 0.950 |
| Mid synthetic extracellular volume | 19 | 0.23 (0.21, 0.25) | 28 | 0.23 (0.21, 0.25) | 0.931 |
| Apex synthetic extracellular volume | 17 | 0.25 (0.23, 0.26) | 21 | 0.24 (0.21, 0.27) | 0.271 |
| Global synthetic extracellular volume | 17 | 0.23 (0.22, 0.25) | 19 | 0.23 (0.21, 0.27) | 0.763 |