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Table 2 Comparison of selected parameters

From: Cardiac profile of the Czech population of Duchenne muscular dystrophy patients: a cardiovascular magnetic resonance study with T1 mapping

  Group C
(Controls)
n = 13
Group D1
(LGE–)
n = 23
Group D2
(LGE+)
n = 20
p (C vs. D1) p (C vs. D2) p (D1 vs. D2)
crude age-adjusted crude age-adjusted crude age-adjusted
Age [years]* 16.5 ± 2.4 11.5 ± 2.9 16.5 ± 4.9 0.003 1.00 3.10 − 4
Weight [kg]* 67.5 ± 11.9 38.9 ± 12.3 57.7 ± 22.9 3.10 − 4 2.10 − 4 0.31 0.28 0.003 0.002
Height [cm]* 176 ± 9 139 ± 16 157 ± 18 1.10 − 4 1.10 − 4 0.006 0.006 0.002 0.002
LV EF [%]* 65.7 ± 7.7 65.6 ± 7.0 51.9 ± 15.0 1.00 1.00 0.005 0.005 5.10 − 4 5.10 − 4
LVMi [g/m 2 ]* 51.9 ± 14.2 33.2 ± 7.2 48.0 ± 12.6 3.10 − 4 2.10 − 4 0.64 0.62 4.10 − 4 3.10 − 4
LV EDVi [ml/m 2 ] 59 (53–67) 50 (38–63) 53 (45–74) 0.23 0.22 0.98 0.98 0.17 0.16
LV ESVi [ml/m 2 ]* 21 (19–24) 17 (13–24) 23 (15–49) 0.60 0.59 0.28 0.27 0.008 0.008
LV SVi [ml/m 2 ]* 43 (31–47) 32 (26–40) 29 (26–34) 0.10 0.10 0.016 0.017 0.61 0.61
  1. Variables with the Gaussian distribution are expressed as the mean ± standard deviation; those with different distribution are in italics as the median (lower quartile – upper quartile)
  2. Variables marked in bold and denoted with * have their ANOVA p-value < 0.05
  3. P-values of the post hoc tests < 0.05 are marked in bold
  4. LGE– negative late gadolinium enhancement, LGE+ positive late gadolinium enhancement, LV left ventricle, EF ejection fraction, LVMi left ventricular mass index (g/m2), EDVi end-diastolic volume index, ESVi end-systolic volume indexm, SVi stroke volume index