CRP and Crohn disease: The LS strongly correlates with capsule endoscopy Crohn’s disease activity index.26 In contrast, correlation with clinical activity, HBI score is poor (r = −0.15),27 and a low to moderate with CRP (r = 0.07 to 0.32) and FC (r = 0.044).17,28 In the present study, patients with endoscopically proven moderate to severe active SB inflammation on VCE, only 76%, 59%, and 35% of patients had active clinical symptoms, elevated CRP, and/or FC, respectively.