Table 2– Diagnostic accuracy of right ventricular (RV)/left ventricular (LV)_axial, RV/LV_4-CH and RV/LV_volume in combination with cardiac biomarkers for the detection of right ventricular dysfunction

	Sensitivity %	Specificity %	PPV %	NPV %	AUC	Cut-off value
NT-pro-BNP ng·L⁻¹ with
RV/LV_axial	79	87	69	92	0.87	1.18/1617
RV/LV_4-CH	84	92	77	93	0.90	1.29/1617
RV/LV_volume	92	95	85	97	0.95	1.34/1617
Troponin I g·L⁻¹ with
RV/LV_axial	85	78	67	91	0.85	1.18/0.07
RV/LV_4-CH	89	80	71	93	0.88	1.29/0.07
RV/LV_volume	93	90	84	96	0.93	1.34/0.07

4-CH: four-chamber view; PPV: positive predictive value; NPV: negative predictive value; AUC: area under the curve; NT-pro-BNP: N-terminal pro-brain natriuretic peptide.