A Study on Central Lymph Node Metastasis in 543 cN0 Papillary Thyroid Carcinoma Patients

Table 2

Multivariate analysis for risk factors of central lymph node metastasis.

Variables	SE	Wald	value	Exp()	95% CI of Exp()
Gender (male versus female)	0.169	16.544	0.000	1.984	1.427	2.762
Age (<45 versus 45 years)	0.165	15.864	0.000	1.934	1.397	2.674
Bilaterality (yes versus no)	0.167	7.655	0.006	1.585	1.144	2.198
Tumor size (<0.25 versus ≥0.25 cm)	0.608	11.11	0.001	7.579	2.303	24.938
Extrathyroidal extension (yes versus no)	0.278	9.668	0.002	2.370	1.376	4.082
Constant	1.430	0.027	0.101	0.057