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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