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Table 1 Subject characteristics 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

Subject characteristics Whole Hokkaido Tohoku Kanto Chubu Kansai Chugoku Shikoku Kyushu
Subject No. 516 38 40 193 49 49 48 99
Age 52.4 ± 13.4 50.0 ± 13.8 49.7 ± 17.1 53.5 ± 12.3 53.7 ± 14.2 54.8 ± 16.1 53.3 ± 10.0 50.0 ± 13.1
Gender ratio (Female : Male) 325 : 191 14 : 24a 26 : 14ab 122 : 71ab 31 : 18ab 19 : 30a 36 : 12b 77 : 22b
  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