Table 2

Frequency of COX-2 status (0–3) versus histology (ADENO, SQ)

HistologyCOX-2 = 0COX-2 = 1COX-2 = 2COX-2 = 3Total
ADENOa251026162
SQCC251132270
Total5021583P = 0.947 (Fisher’s exact test)
  • a ADENO, adenocarcinoma; SQCC, squamous cell carcinoma.