Table 1.
Descriptive characteristics of the study population.
| TwinsUK | ARIC | |
| N (%) | N (%) | |
| N | 1018 | 1522 |
| Females, % | 1018 (100%) | 827 (54.3%) |
| T2D prevalent cases, | 47 (4.72%) | 119 (7.8%) |
| T2D incident cases | 23 | 467 (34.7%) |
| Mean (SD) | Mean (SD) | |
| Age, yrs | 65.19 (7.74) | 54.56 (5.74) |
| BMI, kg/m2 | 26.19 (4.83) | 27.25 (5.01) |
| Homa2-IR | 0.93 (0.67) | |
| Glucose, mmlol/l | 4.75 (0.63) | 5.84 (1.54) |
| VFM, (g) | 606.77 (290.07) | |
| Indices of microbiome diversity | ||
| Shannon Diversity | 5.14 (0.7) | NA |
| Observed number of OTUs | 89.38 (113.52) | NA |
| Simpson diversity | 0.92 (0.06) | NA |