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Table 1 Clinicopathological data for 40 patients with colorectal cancer (tissues: colorectal tumour n = 35 and normal n = 39)

From: MicroRNA expression profiling to identify and validate reference genes for relative quantification in colorectal cancer

Characteristics (n = 40) Number (percentage)
Age (mean ± standard deviation) 66.7 ± 13.1
Sex  
   Male 28 (70.0)
   Female 12 (30.0)
Location of tumors  
   Colon 11 (27.5)
   Rectum 29 (72.5)
Pathologic T classification  
   Tx 2 (5.0)
   Tis 1 (2.5)
   T1 4 (10.0)
   T2 9 (22.5)
   T3 12 (30.0)
   T4 11 (27.5)
   N/A 1 (2.5)
Pathologic N classification  
   Nx 2 (5.0)
   N0 22 (55.0)
   N1 11 (27.5)
   N2 4 (10.0)
   N/A 1 (2.5)
Metastasis classification  
   M0 34 (87.5)
   M1 6 (12.5)
AJCC classification  
   Stage 0 1 (2.5)
   Stage I 10 (25.0)
   Stage II 10 (25.0)
   Stage III 11 (27.5)
   Stage IV 6 (12.5)
   pCR 2 (10.0)
Differentiation  
   Well 1 (2.5)
   Moderate 24 (60.0)
   Poor 8 (20.0)
   N/A 7 (35.0)
  1. AJCC, American Joint Committee on Cancer; pCR, pathologic complete response following neoadjuvant therapy.