Table 2.

Predictors diagnostic accuracy using cutoff value to predict presence of pN+ cases

Parameter cutoff value	Sensitivity	Specificity	PPV	NPV	LR +	LR -
aTT 8.5 mm	84.4%	86.4%	69.2%	93.8%	6.00	0.19
cTT 11 mm	87.5%	73.9%	54.9%	94.2%	3.38	0.16
sTT 12 mm	90.6%	81.8%	64.4%	96.0%	5.06	0.11
PLD 5 mm	93.8%	65.9%	50.0%	96.7%	2.76	0.09
SLD 4 mm	81.3%	46.6%	35.6%	87.2%	1.53	0.40

Abbreviations

pN+ = positive neck-node; PPV = positive predictive value; NPV = negative predictive value; LR+ = positive likelihood ratio; LR- = negative likelihood ratio; aTT = MRI tumor thickness in axial view; cTT = MRI tumor thickness in coronal view; sTT = MRI tumor thickness in sagittal view; PLD = paralingual distance and SLD = sublingual distance