Table 3.

The Statistical Power of the Akmese Sign^a

	Sensitivity	Specificity	PPV	NPV	Youden index	Kappa
Akmese sign	86.1%	99.1%	93.9%	97.9%	0.85	0.88

^aData are reported as %. NPV, negative predictive value; PPV, positive predictive value.