Table 3. i-scan OE magnification endoscopy score for CD in the terminal ileum.

Score	Characteristics
Vascular pattern (VP) score
VP Grade 1	No vessels visible or vascular arcade within the villi
VP Grade 2	Spiral/serrated vessels inside the villi
VP Grade 3	Intravillous haemorrhage
VP Grade 4	Intervillous haemorrhage and/or vascular distortion with areal bleeding
Mucosal pattern (MP) score
MP Grade 1	Normal villi
MP Grade 2	Deformed, hypertrophied villi with irregular size, shape and distance
MP Grade 3	Deformed, hypertrophied villi with erosions
MP Grade 4	Deformed, hypertrophied villi with ulcerations and necrosis
Overall score	Mucosal + vascular pattern score