See Supplementary Table 1 in the reference below
Magro F, Lopes J, Borralho P, et al. Comparing the Continuous Geboes Score
With the Robarts Histopathology Index: Definitions of Histological Remission
and Response and their Relation to Faecal Calprotectin Levels. Journal of
Crohn’s and Colitis. 2020;14(2):169-175. doi:10.1093/ecco-jcc/jjz123