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Table 5 Area under the curve, cut-off values and corresponding sensitivity and specificity

From: Comparison of non-triggered magnetic resonance imaging and echocardiography for the assessment of left atrial volume and morphology

  Failure N = 22 Success N = 38 P-value AUC (95% CI) Cut-off Sensitivity Specificity
TTE index, ml/m2 (±SD) 41 ± 19 35 ± 8 0.08 0.62 (0.47–0.77) 34 77% 53%
CE-MRA index, ml/m2 (±SD) 57 ± 33 47 ± 13 0.08 0.62 (0.48–0.77) 37 91% 32%
Craniocaudal axis index mm/m2, (±SD) 36 ± 6 32 ± 4 0.01 0.67 (0.55–0.85)a 32 81% 68%
Antroposterior axis index, mm/m2 (±SD) 19 ± 5 18 ± 3 0.38 0.53 (0.38–0.69) NA NA NA
Transversal axis index mm/m2 (±SD) 36 ± 8 34 ± 6 0.48 0.52 (0.36–0.68) NA NA NA
  1. Abbreviations; AUC area under the curve, CE-MRA contrast enhanced magnetic resonance imaging, TTE transthoracic echocardiography
  2. aSignificant at p < 0.05