Table 2

Distribution of primary tumors according to the extent and intensity of staining for Cox-1

Staining intensityExtent of stainingTotal
0%1–25%26–50%51–75%76–100%
Negative75*75
Weak31*40*436111
Medium19*6103065
Strong2952137
Total7552551987288
  • * Cox-1–negative tumors.