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Table 2 Relationship between clinical features of pancreatic cancer and the miR-221-3p content determined by RT-qPCR

From: MicroRNA-221-3p is related to survival and promotes tumour progression in pancreatic cancer: a comprehensive study on functions and clinicopathological value

Characteristics N M ± SD p
Tissues
 Adjacent non-cancerous tissues 16 9.603 ± 1.129 < 0.0001*
 Pancreatic cancer 16 12.422 ± 1.147  
Age (years)
 < 60 5 12.87 ± 1.040 0.3038
 ≥ 60 11 12.22 ± 1.179  
Gender
 Male 8 12.40 ± 1.202 0.9533
 Female 8 12.44 ± 1.172  
Tumor size(cm)
 ≤3 6 12.10 ± 0.902 0.4093
 >3 10 12.61 ± 1.278  
smoke
 No 11 12.58 ± 1.217 0.4346
 Yes 5 12.08 ± 1.007  
Lymphatic Metastasis
 No 7 12.06 ± 1.070 0.2834
 Yes 9 12.70 ± 1.186  
Vital status
 Live 3 11.61 ± 0.037 0.1832
 Death 13 12.61 ± 1.201  
Stage
 Stage I–II 8 12.81 ± 1.337 0.1836
 Stage III–IV 8 12.03 ± ±0.827  
Vascular invasion
 No 5 12.77 ± 1.360 0.4338
 Yes 11 12.26 ± 1.070  
Histological type
 Pancreatic ductal adenocarcinoma 15 12.482 ± 1.160 0.0061*
 Undifferentiated cancer 1 11.516  
Nerve invasion
 No 2 12.92 ± 1.905 0.528
 Yes 14 12.35 ± 1.093  
Diabetes
 No 13 12.04 ± 0.850 0.0016*
 Yes 3 14.09 ± 0.617  
  1. N indicates number, SD indicates standard deviation, M indicates mean, *indicates significant difference defined as p < 0.05