Table 5: The episode of disease relapse during the past 12 months among the ME (magnifying endoscopic) classifications and between the MVP (microvascular pattern) types of patients with ulcerative colitis.

ME classificationMVP type
ME-A
( )
ME-B
( )
ME-C
( )
ME-D
( )
MVP-R
( )
MVP-IR
( )

Relapse during the
past 12 months
 Present0476413
 Absent41721159
First attacking131023
value

ME-A: regular arrangement of normal-appearing round to oval pits; ME-B: irregular arrangement with/without enlarged spaces between the even pits; ME-C: irregular pits in size and shape with more irregular arrangement of pits compared to ME-B; and ME-D: disrupted or disappeared pits.
MVP-R: regular, regularly arranged in a honeycomb-like structure; MVP-IR: irregular, MVP with irregular, tortuous structure.