Table 1.

Associations between LINC00623 expression and clinicopathological features in 93 patients with PDAC

Feature	Total	LINC00623 expression		P value
		Low	High
Sex				0.26
Male	56	15	41
Female	37	14	23
Age (years)				0.116
≤ 65	53	20	33
> 65	40	9	31
Serum CA19-9 (U/mL)				0.551
≤ 37	19	7	12
> 37	74	22	52
Drinking history				0.728
Yes	18	5	13
No	75	24	51
Smoking history				0.809
Yes	21	7	14
No	72	22	50
Histological grade				0.0092
≤ 2	59	24	35
> 2	34	5	29
Vascular invasion				0.158
Absent	78	22	56
Present	15	7	8
Metastasis				0.701
Absent	85	26	59
Present	8	3	5
TNM stage				0.337
≤ II	73	21	52
> II	20	8	12

Statistical significance (P < 0.05) is shown in bold