Radiological Cardiothoracic Ratio as a Potential Marker of Left Ventricular Hypertrophy Assessed by Echocardiography

Table 6

Sensitivity, specificity, and accuracy of the radiographic cardiothoracic ratio as a predictor of left ventricular geometry.

		Sensitivity	Specificity	Accuracy
Prediction of LVH	CTR > 0.50	1.000	0.358	0.458
	CTR > 0.49	0.933	0.827	0.844
Prediction of CR	CTR > 0.50	0.633	0.213	0.427
	CTR > 0.49	0.367	0.787	0.573
Prediction of CH	CTR > 0.50	0.778	0.667	0.760
	CTR > 0.52	0.840	0.600	0.802
Prediction of EH	CTR > 0.50	0.740	0.421	0.677
	CTR > 0.52	0.805	0.368	0.719

Optimal cut-off point according to the ROC curve; CH: concentric hypertrophy of the left ventricular; CR: concentric remodeling of the left ventricular; CTR: cardiothoracic ratio; EH: eccentric hypertrophy of the left ventricular; LVH: left ventricular hypertrophy.