SAA1 and inflammatory bowel disease: Another research study with 94 CD patients demonstrated that SAA had a higher AUC (0.77 vs 0.75), sensitivity (0.676 vs. 0.558), and specificity (0.960 vs. 0.692) for predicting endoscopic activity than C-reactive protein (CRP), an extremely vital biomarker for assessing disease activity in IBD [93, 95].