Clinical value of NT-proBNP, MPO, and NLR combined with echocardiography in prediction of malignant arrhythmia in elderly patients with valvular heart disease

Table 7 Results of ROC curve analysis

Test result variable (s)	Area	Std. error	P	Asymptotic 95% confidence interval				Cut-off value
				Lower bound	Upper bound	Sensitivity	Specificity
MPO	0.759	0.092	0.006	0.579	0.938	0.692	0.811	134.59 mg/L
NT-proBNP	0.782	0.078	0.003	0.630	0.934	0.615	0.946	765.57 ng/L
NLR	0.736	0.089	0.012	0.562	0.910	0.769	0.649	5.720
Echocardiography	0.782	0.069	0.003	0.646	0.918	0.769	0.757
The four combined	0.913	0.047	0.000	0.814	1.000	0.769	0.946

ROC Receiver Operator Characteristic, NT-proBNP N-terminus pro-brain natriuretic peptide, MPO Myeloperoxidase, NLR Neutrophil–Lymphocyte Ratio

ISSN: 2047-0525