Table 2: Clinical symptom score and colon mucosa inflammation score ( ± s).

Group The score of clinical symptoms (Mayo score)The score of colon mucosa inflammation
Before treatmentAfter treatmentBefore treatmentAfter treatment

Experiment group41 * *
Control group41 * *

z value calculated by Wilcoxon rank-sum test between two groups. , comparing with before treatment using Wilcoxon rank-sum test.