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

Table 1

Univariate analysis for PTC patients with CLND.

Risk factors	CLN		Univariate analysis
	Positive	Negative
Gender			6.385	0.012
Female	144	266
Male	63	70
Age (years)			11.2	0.001
45	102	117
45	105	335
Bilaterality			4.131	0.042
Yes	61	73
No	146	263
Multifocality			3.797	0.051
Yes	79	101
No	128	235
Tumor size (cm)			9.407	0.002
0.25	2	24
0.25	205	312
Extrathyroidal extension			8.639	0.003
Yes	22	14
No	185	322
HT			2.44	0.118
Yes	64	126
No	143	210
Abnormal thyroid function			0.102	0.75
Yes	31	47
No	176	289