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Table 2 Abundance of the major PCA determinants stratified by area of residence

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

Bacterial family Abundance (Mean% ± SD)
Whole
(n = 516)
Hokkaido
(n = 38)
Tohoku
(n = 40)
Kanto
(n = 193)
Chubu
(n = 49)
Kansai
(n = 49)
Chugoku Shikoku
(n = 48)
Kyushu
(n = 99)
Bacteroidaceae 33.1 ± 19.0 32.4 ± 19.8 32.4 ± 19.7 30.8 ± 18.0 39.2 ± 20.1 34.7 ± 17.4 30.8 ± 17.7 35.4 ± 20.5
Lachnospiraceae 17.6 ± 10.1 20.3 ± 7.7a 18.4 ± 9.7ab 18.7 ± 10.5ab 15.3 ± 10.4ab 17.8 ± 9.7ab 18.1 ± 10.0ab 15.1 ± 10.0b
Prevotellaceae 9.1 ± 18.0 7.1 ± 16.8 10.0 ± 19.1 10.8 ± 19.3 5.9 ± 16.6 4.9 ± 11.1 10.4 ± 20.4 8.9 ± 17.1
Ruminococcaceae 15.8 ± 9.3 15.0 ± 10.3 16.5 ± 9.9 16.4 ± 8.9 15.3 ± 10.1 15.1 ± 9.9 15.0 ± 9.0 15.9 ± 8.8
  1. Significance was calculated among area of residences
  2. In each row, scores with the same letter in their superscripts or without superscripts were not significantly different (P ≥ 0.05) from each other