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Table 4 Changes in Proteobacteria, Actinobacteria, Fusobacteria, and Verrucomicrobia phyla between children with ASD and healthy controls.

From: Gut microbiota changes in children with autism spectrum disorder: a systematic review

  1. Arrows indicate whether the strains are increased (⇑), reported as no significant difference (⇒), or decreased (⇓) in (1) count (light grey), (2) percentage of the total microbiota (dark grey), and (3) variety (black); single arrow denoting p < 0.05, double arrows denoting p < 0.01
  2. HC = healthy controls; SIB = sibling without ASD; Autistic Disorder = Severe; Pervasive Developmental Disorder, not otherwise specified (PDD-NOS) = Mild
  3. aDescribed in text without definitive p-values
  4. bV1V2 datasets are statistically significant, but not V1V3
  5. cV1V3 datasets are statistically significant, but not V1V2