Patient characteristics^a.

aAge (year), calprotectin level (Calp) and time from remission to activity (months) displayed as median with the range in parentheses. bNo change in IBD medication, except doubling of mesalazine in one patient (#5 in subsequent figures and text) and use of lactulose in another patient (#6) during exacerbation. cDisease extent in colon at time of inclusion was left-sided (n = 5), right sided (n = 2), pancolonic (n = 2) and cecal (n = 2).