Parameters IL-23p19 gene expression IL-23 R expression Serum IL-23
  R P-value R P-value R P-value
-Endoscopic severity 0.591 0.038 * 0.542 0.015 * 0.637 0.024 *
-Histopathological grade        
  0.612 0.047* 0.526 0.031* 0.551 0.019*
P<0.05 *significant; UC, ulcerative colitis.    
Table 4: Correlation between endoscopic severity, histopathological grading and studied parameters in UC patients