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Table 3 Performance of the percentage of the trabeculated myocardial volume, the apex/C ratio, and the NC/septum ratio for left ventricular non-compaction diagnosis from receiver operating characteristic curve analysis according to Jenni’s method for CMR and Petersen’s CMR 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

Refined CMR criteria Standard references Area under curve [CI] Specificity (%)[CI] Sensitivity (%)[CI]
TV (%LV) 34.6 % Jenni’s 0.843 [0.760-0.926] 89.7 [72.6 - 97.8] 66.1 [52.6 - 77.9]
32.3 % Petersen’s 0.894 [0.826-0.962] 90.3 [74.2 - 98.0] 79.0 [66.1 - 88.6]
Apex/C ratio 3.15 Jenni’s 0.820 [0.732-0.907] 93.1 [77.2 - 99.2] 69.5 [56.1 - 80.8]
3.11 Petersen’s 0.849 [0.769-0.930] 93.6 [78.6 - 99.2] 73.7 [60.3 - 84.5]
NC/septum ratio 1.27 Jenni’s 0.750 [0.638-0.863] 82.8 [64.2 - 94.2] 57.6 [44.1 - 70.4]
1.05 Petersen’s 0.892 [0.822-0.962] 80.7 [62.5 - 92.5] 87.7 [76.3 - 94.9]
  1. C compacted, apex apical trabeculation thickness, NC non-compacted, septum septal wall thickness, TV (%LV) percentage of trabeculated myocardial volume over left ventricular myocardial volume