Table 2.

Association of AFAP1-AS1 Expression with Clinicopathologic Features in TCGA OSCC

Type	Total	AFAP1-AS1 Low	AFAP1-AS1 High	X2	p
Age				0.0463	0.8296
<60	66	33	33
≥60	86	42	44
Gender				0.0017	0.9668
Male	105	51	54
Female	47	23	24
Stage				2.5858	0.6343
I	8	4	4
II	33	19	14
III	40	21	19
IV	68	29	39
Neoplasm histologic grade				4.065	0.1310
G1	29	19	10
G2	94	42	52
G3	29	13	16
Lymphovascular invasion present				3.891	0.0491
YES	33	10	23
NO	77	39	38
T				0.05516	0.8143
T1-T2	60	29	31
T3-T4	82	38	44
N				1.0188	0.7559
N0	60	31	29
N1	18	7	11
N2	50	22	28
N3	2	1	1

Notes: Samples with AFAP1-AS1 expression ranked in the top 25% were defined as AFAP1-AS1 high, and samples with AFAP1-AS1 expression ranked in the bottom 25% were defined as AFAP1-AS1 low.