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. 2017 Feb;8(1):173–179. doi: 10.21037/jgo.2017.01.13

Table 2. IBD activity graded according to HB index for CD and Mayo index for UC.

IBD activity <6 months ≥6 months
Median of HB index for CD (IQR) 4 (0–15.0) 3 (0–15.0)
Median of Mayo index for UC (IQR) 2 (0–7.0) 1 (0–9.0)
Maximum IBD activity, n (%)
   Remission 14 (50.0) 17 (61.0)
   Mild 9 (32.0) 4 (14.0)
   Moderate 4 (14.0) 5 (18.0)
   Severe 1 (4.0) 2 (7.0)

UC, ulcerative colitis; CD, Crohn disease; IBD, Inflammatory bowel disease; HB, Harvey-Bradshaw; IQR, interquartile range.