Two microbiota subtypes identified in irritable bowel syndrome with distinct responses to the low FODMAP diet.

Response rates defined by a fall in IBS-SSS >50 points 27 between visits 1 and 2 followed the same trend but did not reach statistical significance (14/16 (87.5%) of IBS P vs 13/20 (65%) of IBS H ; χ 2 test p=0.12). 10.1136/gutjnl-2021-325177.supp16 Supplementary data IBS-SSS remained lower than at visit 1, 3 months after the completion of the low FODMAP diet (mean IBS-SSS post-diet=117), but the amount of FODMAP data obtained at this time point did not allow analysis with adequate power.

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