Table 1.

Association Between lncRNA CASC9 Expression and Clinicopathological Features of Patients with Tongue Squamous Cell Carcinoma

Parameters	High CASC9 Expression (≥ Mean, n=35)	Low CASC9 Expression (< Mean, n=59)	P-Value
Sex
Male	16	31	0.306
Female	19	28
Age
≥55	21	32	0.372
<55	14	27
Tumor diameter
≥2 cm	22	23	0.033*
<2 cm	13	36
Differentiation
Moderately/poorly	15	36	0.133
Well	20	23
TNM stage			0.049*
I	3	15
II	8	20
III	14	12
III-IV	10	12
Lymph node metastasis
With	22	19	0.01*
Without	13	40
Distant metastasis
Yes	22	25	0.044*
No	13	34

Note: The mean expression level was used as the threshold. For analysis of association between CASC9 levels and clinical features, Pearson’s χ² tests were used *P<0.05.

Abbreviation: TNM, tumor node metastasis stage.