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Table 2 The relative abundance of Christensenellaceae increases with age

From: The human gut bacteria Christensenellaceae are widespread, heritable, and associated with health

Country

Sample size of cohort

Age

Sex

Reference

(mean ± std. dev.) *, #

(% male/% female)

China

168

93.3 (90-102) Long-living people#

37/63

[75]

61.6 (24-83) Young#

52/48

China

24

104 (100-108) Centenarians*

38/62

[76]

92 (85-89) Bama elderly*

38/62

83 (80-92) Nanning elderly*

50/50

Italy

69

106.2 (105-109) Semi-supercentenarians#

25/75

[77]

100.4 (99-104) Centenarians#

7/93

72.5 (65-75) Elderly#

47/53

30.5 (22-48) Adults#

47/53

Korea

47

98.9 ± 3.4 Centenarians

33,147

[78]

73.6 ± 3.6 Elderly

59/41

34.3 ± 6.5 Adults

67/33

Korea

57

25-65 (no other participant info or table)

54/46

[82]

USA

1673

40.2 ± 9.7a

52/48a

[60]

USA

28

49.5 (20-82)*

54/46

[79]

Nigeria

30b

Infant-85c

NA

[68]

United Kingdom

2764d

59.5 ± 12.3

32,813

[81]

Canada

41

24.3 ± 3.7e

54/46

[80]

  1. * In these studies age is reported as median (age range)
  2. # In these studies age is reported as average (age range)
  3. a Metadata were only reported for the American Gut Participants (n = 1375) as participant data for the Human Microbiome Project is restricted access
  4. b These findings only pertain to the urban dwelling Nigerians from this study
  5. c A median or average for age groups was not provided. Infants were defined as < 3 years of age (n = 12) and adults were 5-85 (n = 18)
  6. d These values only pertain to the analysis in the TwinsUK cohort in this paper
  7. e These values are reported for the AVG cohort with regard to cardiorespiratory fitness, but is reflective of all study participants. Total age range for all participants is between 18 and 35 years