Table 5.

Cut-off values, positive predictive values and negative predictive values for the predictors of left ventricular diastolic dysfunction by the receiver operating characteristic curve analysis.

	AUC	95% CI	p -value	Cut-off value	PPV	NPV
Age, yrs	0.70	0.64–0.77	<0.001	25.5	5.2%	98.8%
Pulse rate, beats/min	0.66	0.60–0.72	<0.001	65.5	4.9%	98.4%
Time for a 3,000-m run, sec	0.62	0.55–0.69	0.001	869.5	2.2%	95.3%
Diastolic BP, mmHg	0.67	0.60–0.75	<0.001	74.5	6.5%	97.9%
Waist circumference, cm	0.76	0.70–0.82	<0.001	90.8	9.3%	98.3%
QTc interval, mm	0.67	0.60–0.74	<0.001	401.5	6.2%	98.0%
QRS axis, degree	0.68	0.61–0.75	<0.001	30.5	8.7%	97.4%

AUC, area under curve, BP, blood pressure; CI, confidence interval; NPV, negative predictive value; PPV, positive predictive value.