Table 2

Disease severity. Colonic severity is shown as the standard count (that is, the colectomy polyp count corrected for colon specimen size alone)

Mutation groupnMeanSDMedianCentile 25/75MinMax
UNK35135811351107435/1918864639
MAIN9811331098760491/1344666367
MCR183934214737272184/50007307979