Table 3. PERMANOVA tests of associations between clinical parameters and microbiota composition (adjusted for age, gender and BMI).

Phenotype	Df	Sum of squares	Mean squares	F model	R2	Pr (>F)
All groups (95 samples):
FPG	1	0.451807	0.451807	1.35295	0.01423	0.0453
NGT group (33 samples):
CRP	1	0.431633	0.431633	1.320166	0.040869	0.055
T2DM group (12 samples):
FPG	1	0.428187	0.428187	1.324532	0.113103	0.0605

BMI = body mass index; CRP = C-reactive protein; FPG = fasting plasma glucose; PERMANOVA = permutational multivariate analysis of variance.