Fig. 1. Frequency of exacerbation in individual patients of the BFM group and control group (A) and cumulative exacerbation rates in the two groups (log rank statistical analysis, p = 0.0184) (B). At each monthly outpatient appointment, clinical symptoms were evaluated in comparison with one month earlier, as described in the Methods section. Hatched tiles show the month of the exacerbation of the symptoms of UC.

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