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Table 4 Comparison of global left ventricular strains and MAPSE (age-adjusted)

From: Quantitative assessment of left ventricular longitudinal function and myocardial deformation in Duchenne muscular dystrophy patients

  Group A (LGE + , EF < 50%) n = 8 Group B (LGE + , EF ≥ 50%) n = 13 Group C (LGE−, EF ≥ 50%) n = 30 Controls n = 18 p (A vs. controls) p (B vs controls) p (C vs. controls)
GLS (%) − 14.94 ± 1.91 − 19.14 ± 2.57 − 21.9 ± 4.12 − 20.91 ± 3.05 3.10–4 0.38 0.70
GCS (%) − 14.71 ± 4.18 − 24.81 ± 5.74 − 26.17 ± 4.19 − 30.03 ± 5.12 1.10–8 0.013 0.034
GRS (%) 38.3 ± 9.80 50.45 ± 14.22 60.02 ± 15.21 67.41 ± 10.67 1.10–5 3.10–3 0.21
MAPSE (mm) 10.50 ± 1.10 10.77 ± 1.55 11.63 ± 1.88 13.66 ± 2.70 2.10–3 8.10–4 5.10–3
MAPSE lateral (mm) 11.00 ± 1.31 11.31 ± 2.18 12.60 ± 2.24 14.44 ± 3.27 6.10–3 3.10–4 0.05
MAPSE septal (mm) 10.00 ± 1.07 10.23 ± 1.59 10.67 ± 1.83 12.88 ± 2.33 2.10–3 8.10–4 8.10–4
  1. Variables are expressed as the mean ± standard deviation
  2. Variables marked in bold have their ANCOVA p value < 0.05
  3. P values of the Dunnet post hoc test < 0.05 are marked in bold
  4. LGE +, positive late gadolinium enhancement; LGE–, negative late gadolinium enhancement; LV, left ventricle; EF, ejection fraction; GLS, global longitudinal strain; GCS, global circumferential strain; GRS, global radial strain; MAPSE, mitral annular plane systolic excursion