Table 2.

AUC (95% CI) for predictors of lymph node metastasis in the central region in the training and validation cohorts.

Characteristics	Validation AUC (95%CI)
Age	0.613 (0.526,0.699)
BMI	0.603 (0.512,0.695)
Size	0.627 (0.547,0.708)
Capsular invasion	0.540 (0.486,0.594)
BRAF	0.560 (0.532,0.668)
Multivariate model	0.765 (0.677,0.852)

BMI, Body Mass Index; 95% CI, 95% confidence interval.