Table 1.
Sample distribution
| Group | Age | Number of samples | (Male/Female) | |
|---|---|---|---|---|
| Segmentation | (Mean ± SD) | |||
| 1 | Preweaning | (0.3 ± 0.1) | 14 | (7/7) |
| 2 | Weaning | (0.8 ± 0.4) | 12 | (6/6) |
| 3 | Weaned-3 years old | (2.4 ± 0.6) | 18 | (10/8) |
| 4 | 4–9 years old | (6.1 ± 1.9) | 14 | (6/8) |
| 10 | 10–19 years old | (14.1 ± 3.6) | 10 | (7/3) |
| 20 | 20–29 years old | (25.9 ± 2.7) | 40 | (16/24) |
| 30 | 30–39 years old | (33.9 ± 2.3) | 88 | (45/43) |
| 40 | 40–49 years old | (43.8 ± 3.1) | 34 | (13/21) |
| 50 | 50–59 years old | (53.3 ± 2.6) | 25 | (12/13) |
| 60 | 60–69 years old | (63 ± 2.7) | 28 | (11/17) |
| 70 | 70–79 years old | (76.8 ± 2.1) | 15 | (5/10) |
| 80 | 80–89 years old | (83.3 ± 2.4) | 48 | (16/32) |
| 90 | 90–99 years old | (94.2 ± 2.7) | 19 | (4/15) |
| 100 | Over 100 years old | (101.3 ± 1.8) | 6 | (0/6) |
| Sum | 371 | (158/213) | ||
The mean (± SD) age of the entire cohort was 44.3 ± 28.6 years
Gut microbiota were analyzed for one sample per subject, except for two samples from one boy and one girl at preweaning and weaning and three samples from one girl at preweaning, weaning and 5 years of age