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Table 1 Classification of patients with high or low COX-2 expression in tumor tissue

From: COX-2 gene expression in colon cancer tissue related to regulating factors and promoter methylation status

  COX-2 expression in tumor tissue
  High (10) Low (10)
COX-2 T 12.5 ± 1.5 2.6 ± 0.4
(mol/mol GAPDH) NM 5.06 ± 3.0 12.3 ± 4.0
Dukes1 3 A, 6 B, 1 D 3 B, 5 C, 2 D
Age at surgery 71 ± 2.5 73 ± 3.4
Gender 6 M, 4 F 4 M, 6 F
Postoperative survival (months) 23 ± 5.8 29 ± 8.0
Right/left colon 4/6 4/6
  1. Mean ± SEM
  2. T = tumor tissue
  3. NM = Normal colon tissue
  4. 1Approx. TNM; A = T1, N0, M0; B = T2/T3, N0, M0; C = T2/T3/T4, N1/N2, M0; D = T2/T3/T4, N1/N2, M1