Table 1.
Characteristics of UK Biobank participants in the imaging subset and the subset of participants who were not part of the imaging study.
| Characteristics | UK Biobank imaging subset |
UK Biobank non-imaging subset |
||
|---|---|---|---|---|
| Men | Women | Men | Women | |
| n (%) | 7,142 | 8,396 | 229,134 | 273,402 |
| Age, years (IQR) | 57 (50–62) | 55 (48–60) | 58 (50–64) | 57 (50–63) |
| Waist circumference, cm (IQR)∗ | 94 (87–100) | 79 (73–87) | 96 (89–103) | 83 (75–92) |
| Townsend deprivation index (IQR) | −2.78 (−3.98 to 0.82) | −2.66 (−3.90 to −0.69) | −2.12 (−3.65 to 0.63) | −2.14 (−3.63 to 0.49) |
| Self-reported diabetes (%)∗ | 245 (3.43%) | 116 (1.38%) | 15,950 (7.0%) | 9,794 (3.6%) |
| Liver cT1, ms (IQR) | 694 (662–730) | 676 (647–710) | n.a. | n.a. |
| BMI, kg/m2 (IQR)∗ | 26.6 (24.5–28.8) | 25 (22.9–28) | 27.3 (25–30.1) | 26.1 (23.5–30) |
∗
BMI (Mann-Whitney U test, p = 1×10−80), waist circumference (Mann-Whitney U test, p = 1×10−100), diabetes prevalence (Pearson's chi squared test, p = 1×10−27) were lower in the imaging subset compared to the rest of UK Biobank. Levels of significance for all tests: (p <0.05).