Table 3

Positivity rates for Cox-2 and Cox-1 expressions

SamplesCox-2 expressionCox-1 expression
NegativePositiveNegativePositive
Primary tumors84 (29.2%)204 (70.8%)165 (57.3%)123 (42.7%)
Lymph node metastases2 (8.0%)23 (92.0%)4 (16.0%)21 (84.0%)
Hepatic metastases0 (0%)16 (100.0%)10 (62.5%)6 (37.5%)
Normal mucosa9 (90.0%)1 (10.0%)2 (20.0%)8 (80.0%)
Normal lymph node7 (70.0%)3 (30.0%)1 (10.0%)9 (90.0%)
Normal hepatic parenchyma5 (50.0%)5 (50.0%)3 (30.0%)7 (70.0%)