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Table 2 CMR measurements of left ventricle function, trabecular volume, and semi-quantitative diagnostic criteria

From: Quantification of left ventricular trabeculae using cardiovascular magnetic resonance for the diagnosis of left ventricular non-compaction: evaluation of trabecular volume and refined semi-quantitative criteria

Variables Isolated LVNC (n = 24) Non-isolated LVNC (n = 33) DCMNC (n = 30) DCM (n = 27) Control (n = 31)
LVEF, % 64.7 ± 6.4 47.6 ± 17.0* 24.8 ± 9.2* 27.9 ± 10.1* 66.5 ± 5.9 (P = 0.430)
LVEDV, mL 131.1 ± 28.5 186.8 ± 60.9* 293.0 ± 120.2* 277.0 ± 92.7* 134.4 ± 22.9 (P = 0.722)
LVEDVi, mL/m2 77.6 ± 12.9 107.8 ± 33.6* 173.0 ± 56.4* 165.9 ± 57.8* 76.5 ± 8.8 (P = 0.754)
LVESV, mL 47.1 ± 17.0 101.0 ± 54.0* 225.6 ± 110.7* 203.9 ± 83.1* 45.5 ± 12.4 (P = 1.000)
LVESVi, mL/m2 27.7 ± 8.3 58.6 ± 31.2* 132.8 ± 53.9* 122.0 ± 51.0* 25.7 ± 5.9 (P = 0.635)
SV, mL 84.0 ± 16.7 85.8 ± 32.7 (p = 0.518) 67.4 ± 30.7* 73.0 ± 29.2 (P = 0.045) 89.0 ± 14.5 (P = 0.235)
NC/C ratioa 3.08 ± 0.80 2.90 ± 0.53 (p = 0.593) 2.92 ± 0.77 (P = 0.342) 1.71 ± 0.34* 1.40 ± 0.39*
NC/septum ratio 1.45 ± 0.28 1.37 ± 0.34 (p = 0.304) 1.52 ± 0.44 (P = 0.566) 1.07 ± 0.29* 0.93 ± 0.22*
Apex/C ratio 4.84 ± 1.89 3.57 ± 1.89 (p = 0.056) 3.26 ± 1.80* 1.25 ± 1.15* 1.96 ± 1.01*
Apex/septum ratio 2.28 ± 0.84 1.69 ± 0.96 (P = 0.023) 1.71 ± 0.95 (P = 0.065) 0.83 ± 0.89* 1.31 ± 0.73*
Apex/mid-lat ratio 4.53 ± 2.51 3.00 ± 1.70 (P = 0.048) 2.99 ± 1.69 (P = 0.049) 1.24 ± 1.18* 1.89 ± 0.99*
Trab. Vol., mL 32.1 ± 13.8 45.1 ± 15.3* 61.6 ± 25.5* 41.9 ± 18.4* 23.9 ± 6.9*
Trab. Vol., %LV 42.6 ± 14.8 44.2 ± 15.4 (p = 0.891) 47.1 ± 17.3 (P = 0.210) 30.3 ± 14.3* 24.8 ± 7.1*
  1. C compacted, apex apical trabeculation thickness, LVNC left ventricular non-compaction, DCM dilated cardiomyopathy, DCMNC DCM with left ventricular non-compaction, LVEF left ventricular ejection fraction, LVEDV left ventricular end-diastolic volume, LVESV left ventricular end-systolic volume, mid-lat mid-lateral wall thickness, NC non-compacted, SV stroke volume, septum septal wall thickness, Trab. trabeculated, vol. volume. Values are mean ± SD. P-value was calculated in comparison with values obtained from LVNC patients. *P < 0.013
  2. aResults from analysis by the Petersen’s method