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Table 9 Bowel movement frequency and correlated bacterial families in lean and obese subjects

From: Comprehensive analysis of the fecal microbiota of healthy Japanese adults reveals a new bacterial lineage associated with a phenotype characterized by a high frequency of bowel movements and a lean body type

  Questionnaire score (Mean ± SD) or abundance (Mean% ± SD) Prevalence (%)
Lean group (BMI < 25)
(n = 425)
Obese group (BMI > 30)
(n = 13)
Significance Lean group (BMI < 25)
(n = 425)
Obese group (BMI > 30)
(n = 13)
Significance
Bowel movement frequency 3.53 ± 0.77 3.54 ± 0.78 NS - - -
Christensenellaceae 0.77 ± 2.14 0.01 ± 0.004 ** 59.3 23.1 *
Mogibacteriaceae 0.23 ± 0.29 0.06 ± 0.05 ** 84.7 69.2 NS
Rikenellaceae 1.77 ± 1.86 0.90 ± 0.96 * 91.5 84.6 NS
  1. NS: P ≥ 0.05, *: P < 0.05, **: P < 0.01