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Table 2 Differences in bacterial flora as determined by T-RFLP analysis

From: Comparison of the gut microbiota composition between obese and non-obese individuals in a Japanese population, as analyzed by terminal restriction fragment length polymorphism and next-generation sequencing

  Non-obese (BMI <20 kg/m2) Obese (BMI ≥25 kg/m2) P valuea
Actinobacteria (Phylum) 8.2 ± 6.7 %b 8.0 ± 7.1 % 0.917
Firmicutes (Phylum) 37.0 ± 9.1 % 40.8 ± 15.0 % 0.241
Bacteroidetes (Phylum) 44.0 ± 9.8 % 37.0 ± 14.0 % 0.033
Lactobacillales (Order) 5.2 ± 9.2 % 7.2 ± 10.3 % 0.455
Bifidobacterium 8.2 ± 6.7 % 8.0 ± 7.1 % 0.917
Bacteroides 41.0 ± 11.8 % 35.1 ± 14.5 % 0.097
Prevotella 3.0 ± 7.3 % 2.0 ± 5.3 % 0.557
Clostridium cluster IV 8.0 ± 4.9 % 8.0 ± 6.2 % 1.000
Clostridium subcluster XIVa 21.7 ± 5.5 % 22.1 ± 9.5 % 0.841
Clostridium cluster XI 1.0 ± 1.4 % 1.7 ± 4.0 % 0.376
Clostridium cluster XVIII 1.3 ± 1.3 % 2.1 ± 2.0 % 0.080
Firmicutes to Bacteroidetes ratio 0.9 ± 0.4 1.7 ± 1.7 0.045
  1. aP values are based on two-sample t-test with Welch correction
  2. bData are expressed as mean ± SD