Table 3. Univariate and multivariate analysis for the risk factors of insufficient suppression (n=110).

Characteristics	Univariate				Multivariate
	Odds ratio	95% CI	P value		Odds ratio	95% CI	P value
Female gender	0.375	0.097–1.456	0.157		3.488	0.064–1.365	0.108
Age	0.996	0.935–1.060	0.891		1.012	0.941–1.084	0.734
Preoperative TSH level ≥2.0 mIU/L	5.713	1.381–23.629	0.016		6.185	1.369–27.956	0.018
Coexistence of Hashimoto’s thyroiditis	4.882	1.272–18.738	0.021		4.786	1.129–20.283	0.034