Table 1.

Correlation between TRKB expression levels and clinicopathological characteristics of patients with PGC (n = 23).

Variables	TRKB
	Low	High	P value
Gender
Male	5	8	0.1333
Female	7	3
T classification
T1, T2	7	4	0.2921
T3, T4	5	7
Stage
I, II	7	3	0.1333
III, IV	5	8
Nodal metastasis
Yes	2	7	0.0211*
No	10	4
Recurrence
Yes	2	7	0.0211*
No	10	4
Vascular invasion
Yes	1	9	0.0004***
No	11	2
Neuroinvasion
Yes	5	8	0.1333
No	7	3
Facial nerve paralysis
Yes	4	6	0.3053
No	8	5

Statistical analyses were performed using Pearson’s χ² test or Fisher’s exact test. *P < 0.05; ***P < 0.001.