Preablation Stimulated Thyroglobulin/TSH Ratio as a Predictor of Successful I¹³¹Remnant Ablation in Patients with Differentiated Thyroid Cancer following Total Thyroidectomy

Table 2

Cutoff values* for sTg and sTg/TSH ratio with sensitivity and specificity.

Predictor	Sensitivity	Specificity	Area under curve	𝑃 value
sTg
≤18 ng/mL	76.7%	79.1%	0.86	<0.001
sTg/TSH ratio
≤0.35	80%	81.4%	0.859	<0.001

∗Values with maximum sensitivity and specificity.