Expression of Spindle and Kinetochore-Associated Protein 1 Is Associated with Poor Prognosis in Papillary Thyroid Carcinoma

Table 1

Correlation of high SKA1 expression with clinicopathologic characteristics of PTC patients.

Clinical features	SKA1 expression			value
	Low (n = 67)	High (n = 56)
Age
<45 years	22	15	0.531	0.466
≥45 years	45	41
Sex
Male	32	23	0.552	0.457
Female	35	33
Hashimoto’s; thyroiditis
Without	64	51	0.994	0.467
With	3	5
Tumor size
<2 cm	42	26	1.008	0.3799
≥2 cm	25	30
Multifocality
Without	43	34	0.156	0.712
With	24	22
Differentiation
Well	19	17	0.059	0.808
Poor	48	39
Lymphoid node
Without	41	20	7.922	0.005
With	26	36
Clinical stage
I-II	52	32	5.902	0.015
III-IV	15	24
Extrathyroid; invasion
Without	46	24	8.280	0.004
With	21	32