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Microbiota outcomes (total studies = 188).
| Outcome Group | Studies (%) |
|---|---|
| Fermentation | 142 (76%) |
| SCFA concentration | 98 (52%) |
| Breath gas excretion | 50 (27%) |
| Bacterial enzyme activity | 18 (10%) |
| Bile acids | 15 (8%) |
| Fecal fiber/starch recovery | 13 (7%) |
| Bacterial composition | 88 (47%) |
| Colonic/fecal pH | 60 (32%) |
