Table 3 Clinical, and CMR data in controls and in asymptomatic versus symptomatic Duchenne carriers
From: Patterns of late gadolinium enhancement in Duchenne muscular dystrophy carriers
Variables | Controls | Asymptomatic | Symptomatic | F | p< |
|---|---|---|---|---|---|
|  | (n = 37) | (n = 21) | (n = 9) |  |  |
Demographic, clinical | Â | Â | Â | Â | Â |
  Age (months) | 418 ± 22 | 441 ± 29 | 501 ± 44 | 1.4 | 0.25 |
  Body surface area (m2) | 1.68 ± 0.02 | 1.65 ± 0.03 | 1.63 ± 0.04 | 0.8 | 0.44 |
  Heart rate (b/min) | 78 ± 1 | 75 ± 1 | 80 ± 2 | 2.5 | 0.09 |
CMR | Â | Â | Â | Â | Â |
  Left ventricle (LV) |  |  |  |  |  |
   Ejection fraction (%) | 65 ± 1 | 63 ± 1 | 61 ± 2 | 2.0 | 0.14 |
   End-diastolic volume (ml/m2) | 106 ± 3 | 112 ± 4 | 109 ± 5 | 0.8 | 0.47 |
   End-systolic volume (ml/m2) | 37 ± 1 | 42 ± 2 | 42 ± 3 | 1.9 | 0.15 |
   Mass (g) | 108 ± 3 | 97 ± 4 | 93 ± 6(*) | 4.3 | 0.02 |
  Right ventricle(RV) |  |  |  |  |  |
   Ejection fraction (%) | 60 ± 1 | 60 ± 1 | 61 ± 2 | 0.2 | 0.83 |
   End-diastolic volume (ml/m2) | 100 ± 3 | 108 ± 4 | 98 ± 6 | 1.4 | 0.27 |
   End-systolic volume (ml/m2) | 40 ± 2 | 43 ± 2 | 39 ± 3 | 0.9 | 0.42 |