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Table 1 The relationship between miR-506 expression and clinicopathologic parameters in 110 PDACs

From: MicroRNA-506 is up-regulated in the development of pancreatic ductal adenocarcinoma and is associated with attenuated disease progression

Variable No. of patients miR-506 expression [case (%)] χ2 P value
Low High
Age (years)
 ≤59 57 41 (71.9) 16 (28.1) 2.194 0.139
 >59 53 31 (58.5) 22 (41.5)   
Sex
 Men 63 45 (71.4) 18 (28.6) 2.327 0.127
 Women 47 27 (57.4) 20 (42.6)   
Tumor site
 Head 51 35 (68.6) 16 (31.4) 1.551 0.461
 Uncinate process 32 22 (68.8) 10 (31.2)   
 Body and tail 27 15 (55.6) 12 (44.4)   
Tumor size (cm)
 ≤4 67 45 (67.2) 22 (32.8) 0.222 0.638
 >4 43 27 (62.8) 16 (37.2)   
Histologic grade
 G1, G2 68 39 (57.4) 29 (42.6) 5.170 0.023
 G3 42 33 (78.6) 9 (21.4)   
pT category
 T1, T2 28 12 (42.9) 16 (57.1) 8.482 0.004
 T3, T4 82 60 (73.2) 22 (26.8)   
Lymph node metastasisa
 No 74 45 (60.8) 29 (39.2) 4.542 0.033
 Yes 21 18 (85.7) 3 (14.3)   
  1. aNo information about lymph node metastasis in 15 patients