. 2014 Oct 27;2014:415375. doi: 10.1155/2014/415375

Table 1.

Correlations between CCR7, STAT3 phosphorylation expression and clinicopathological factors of SCCHN.

Clinicopathological characteristics	Number of cases	CCR7		Statistical analysis	STAT3 phosphorylation		Statistical analysis
Clinicopathological characteristics	Number of cases	+~+++	−	Statistical analysis	+~+++	−	Statistical analysis
Age
≥60	40	25	15	χ ² = 0.032	25	15	χ ² = 0.422
<60	38	23	15	χ ² = 0.032	21	17	χ ² = 0.422
Gender
Male	50	32	18	χ ² = 0.357	30	20	χ ² = 0.061
Female	28	16	12	χ ² = 0.357	16	12	χ ² = 0.061
Tumor size
T1, T2	65	37	28	χ ² = 3.510	36	29	χ ² = 2.077
T3, T4	13	11	2	χ ² = 3.510	10	3	χ ² = 2.077
Clinical stage
I, II	37	15	22	χ ² = 13.113∗	14	23	χ ² = 12.998∗
III, IV	41	33	8	χ ² = 13.113∗	32	9	χ ² = 12.998∗
Nodal metastasis
Yes	37	29	8	χ ² = 8.434∗	29	8	χ ² = 10.954∗
No	41	19	22	χ ² = 8.434∗	17	24	χ ² = 10.954∗

^* P < 0.05 (the internal difference of CCR7 or STAT3 phosphorylation expression within clinicopathological characteristics).