Analysis of features of papillary thyroid carcinoma on color Doppler ultrasound images: implications for lymph node metastasis

Table 5 Model performance metrics for the prediction of LNM in PTC

Model	Cutoff	Accuracy (95%CI)	Sensitive (95%CI)	Specificity (95%CI)	Positive Predictive Value (95%CI)	Negative Predictive Value (95%CI)
Tumor diameter(mm)	0.568	0.634(0.633–0.636)	0.414(0.334–0.494)	0.859(0.802–0.916)	0.750(0.655–0.845)	0.589(0.522–0.656)
Age(years)	0.557	0.676(0.674–0.677)	0.593(0.513–0.673)	0.761(0.690–0.831)	0.717(0.636–0.797)	0.647(0.574–0.719)
Garland pattern	0.430	0.544(0.542–0.545)	0.924(0.881–0.967)	0.155(0.095–0.214)	0.528(0.466–0.589)	0.667(0.506–0.828)
Number of lesions	0.526	0.571(0.570–0.573)	0.441(0.361–0.522)	0.704(0.629–0.779)	0.604(0.511–0.697)	0.552(0.480–0.625)
Model2	0.422	0.700(0.699–0.702)	0.593(0.727–0.859)	0.606(0.525–0.686)	0.673(0.602–0.743)	0.741(0.662–0.821)
Model1	0.573	0.704(0.702–0.705)	0.693(0.513–0.773)	0.817(0.753–0.881)	0.768(0.690–0.846)	0.663(0.593–0.733)

Model 2 includes variables Age, Tumor diameter(mm) and Number of lesions
Model 1 adds Garland pattern on the basis of Model, Bold values indicate the best-performing model under the same evaluation criteria

ISSN: 1471-2342