Table 2. Faecal microbiota composition in LN and OWOB participantsa.

	LN (n=52)	OWOB (n=42)	P-value
Firmicutes
Clostridium coccoides	9.2±0.1	9.2±0.1	0.69
Clostridium leptum	9.6±0.1	9.5±0.1	0.26
Bacteroidetes
Bacteroides/Prevotella	8.6±0.1	8.2±0.2	0.07
Actinobacteria
Bifidobacterium	8.7±0.2	8.9±0.2	0.28
Escherichia coli	6.6±0.2	5.9±0.2	0.005
Archaea	8.8±0.2	8.9±0.1	0.89
All bacteria	10.6±0.1	10.5±0.1	0.12
Log F:B ratio	1.20±0.10	1.53±0.16	0.08

Abbreviations: LN, lean; OWOB, overweight/obese.

Archaea are expressed as mean log₁₀ 16S rRNA gene copies/g wet weight±s.e.m.

^aBacterial data are expressed as mean log₁₀ cells g⁻¹ wet weight±s.e.m.