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Table 2 Univariate analyses of prognostic factors in pancreatic adenocarcinoma

From: Circular RNA IARS (circ-IARS) secreted by pancreatic cancer cells and located within exosomes regulates endothelial monolayer permeability to promote tumor metastasis

Parameters Patients, n Median survial time P-value χ 2
Gender    0.016 5.770
 Male 61 16   
 Female 18 11   
Age    0.419 0.653
  ≤ 60 43 14   
  > 60 36 14   
Tumor location    0.135 2.233
 Head 61 16   
 Body, tail 18 11   
Tumor size, cm    0.521 0.412
  ≤ 2 26 15   
  > 2 53 14   
Neural invasion    0.590 0.29
 Yes 29 14   
 No 50 14   
Duodenal invasion    0.329 0.951
 Yes 11 12   
 No 68 16   
Differentiation    0.996 0.008
 Low 18 14   
 Median 54 14   
 High 7 18   
Lymphatic invasion    0.202 1.625
 Yes 29 11   
 No 50 16   
Vascular invasion    0.038 4.283
 Yes 19 13   
 No 60 16   
Liver metastasis    0.000 48.761
 Yes 12 5   
 No 67 16   
TNM    0.011 6.400
 I, IIa 42 16   
 IIb, III and IV 37 11   
circ-IARS    0.010 6.633
 High 40 11   
 Low 39 16   
linar-IARS    0.061 3.517
 High 42 13   
 Low 37 16   
  1. Bold value indicates that its P-value less than 0.05