Table 1.

Correlation between TUG1 expression and clinicopathological characteristics of 42 PC patients

Characteristics	Expression of TUG1		P-value*
	Low (n=21)	High (n=21)
Sex			0.352
Male	11	8
Female	10	13
Age (years)			0.537
≤60	12	10
>60	9	11
Histological grade			0.19
Low or undifferentiated	9	5
Middle or high	12	16
TNM stage			0.025*
I and II	17	9
III and IV	4	12
Tumor size (cm)			0.001**
≤4	18	8
>4	3	13
Regional lymph node invasion			0.0005**
Positive	7	18
Negative	14	3
Distant metastasis			0.011*
Positive	3	11
Negative	17	10

Note:

^*P<0.05,

^**P<0.01.

Abbreviations: PC, pancreatic cancer; TUG1, taurine upregulated 1; TNM, tug-lymph node metastasis.