Research Article

Effect of Combined Live Probiotics Alleviating the Gastrointestinal Symptoms of Functional Bowel Disorders

Table 2

Composition of the gut microbiota at the phylum level (median (IQR)).

ItemsProbiotics groupControl groupIndependent sample -test or Mann–Whitney test

Baseline
 Actinobacteria (%)2.53 (0.94–8.13)1.77 (0.50–2.54),
 Bacteroidetes (%)39.88 (30.36–47.94)42.46 (31.77–46.15),
 Firmicutes (%)51.29 (37.49–55.67)45.47 (36.21–53.61),
 Fusobacteria (%)0.02 (0.01–0.05)0.03 (0.01–0.06),
 Proteobacteria (%)3.18 (2.40–5.47)4.25 (3.34–6.60),
 Others (%)0 (0–0.01)0 (0–0.03),
 Firmicutes to Bacteroidetes ratio,
 Actinobacteria to Bacteroidetes ratio0.07 (0.02–0.22)0.04 (0.02–0.07),
4 weeks after colonoscopy and treatment
 Actinobacteria (%)1.01 (0.50–2.54)a5.03 (1.55–10.06)b,
 Bacteroidetes (%)43.80 (34.72–53.34)35.17 (26.70–41.67),
 Firmicutes (%)42.25 (34.96–53.81)48.28 (39.01–55.21),
 Fusobacteria (%)0.02 (0.01–0.08)a0.01 (0–0.03)b,
 Proteobacteria (%)4.40 (3.27–6.92)a4.54 (2.44–6.29),
 Others (%)0 (0–0.01)0.01 (0–0.06),
 Firmicutes to Bacteroidetes ratio,
 Actinobacteria to Bacteroidetes ratio0.02 (0.01–0.02)a0.15 (0.04–0.38)b,

IQR: interquartile range. aPaired values of one month after colonoscopy vs. baseline in the probiotics group (, Wilcoxon test). bValues of one month after colonoscopy vs. baseline in the control group (, Wilcoxon test).