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Table 2 Clinicopathologic characteristics in serum samples of patients with CRC and healthy control

From: Aberrant methylation of NPY, PENK, and WIF1 as a promising marker for blood-based diagnosis of colorectal cancer

  Characteristic CRC Polyps Controls
Series 1   n = 9 n = 10 n = 30
  Sex    
   Male 3 6 15
   Female 6 4 15
  Age    
   Mean ± SD 66.1 ± 17.2 71.5 ± 11.8 62. 1 ± 17.3
   Range 36-94 56-91 22-91
  Stage    
   I/II 4 (1/3) Na Na
   III/IV 5 (1/4) Na Na
Series 2   n = 23 n = 16 n = 131
  Sex    
  Male 18 10 71
  Female 5 6 60
  Age    
   Mean ± SD 68.6 ± 11.2 61.8 ± 9.2 58.5 ± 16.3
   Range 51-84 52-85 18-94
  Stage    
   I/II 2 (1/1) Na Na
   III/IV 21 (6/15) Na Na
Series 1 + 2 pooled   n = 32 n =26 n = 161
  Sex    
   Male 21 16 86
   Female 11 10 75
  Age    
   Mean ± SD 67.9 ± 12.9 65.5 ± 11.1 59.1 ± 16.5
   Range 36-94 52-91 18-94
  Stage    
   I/II 6 (2/4) Na Na
   III/IV 26 (7/19) Na Na
  1. Na: not applicable.