Table 4.

Predictive factors of central LNM in the HT group

Variables	Central lymph node metastasis
	Univariate analysis			Multivariate analysis
	OR	95%CI	P	OR	95%CI	P
Age, year (< 55 / ≥55)	0.20	0.06–0.60	< 0.01	0.17	0.05–0.55	< 0.01
Sex (Male, Female)	0.75	0.27–2.07	0.58
TSH, median (3.49< / ≥3.49, μIU/mL)	0.81	0.42–1.53	0.51
TPO-Ab, median (184.15< / ≥184.15, IU/mL)	0.81	0.42–1.53	0.51
Tg-Ab, median (284.2< / ≥284.2, IU/mL)	1.11	0.59–2.12	0.74
Tumor size, mm (≤10 / > 10)	2.62	1.34–5.15	0.01	2.69	1.32–5.49	0.01
Multifocality (No / Yes)	2.02	1.00–4.08	0.05	1.96	0.92–4.17	0.08
Extrathyroidal extension (No / Yes)	0.46	0.39–0.55	0.22

OR odds ratio, CI confidence interval