TABLE 1.
Characteristics | N | Mean ± SD | % |
---|---|---|---|
Age, years | 857 | 23.3 ± 2.6 | |
Sex, % | |||
Male | 246 | 28.7 | |
Female | 611 | 71.3 | |
Smoking status, % | |||
No | 631 | 73.6 | |
Current | 226 | 26.4 | |
Pulse pressure, mmHg | 857 | 47.8 ± 9.9 | |
Systolic blood pressure, mmHg | 857 | 124.6 ± 12.7 | |
Diastolic blood pressure, mmHg | 857 | 76.7 ± 8.2 | |
High blood pressure | |||
No | 833 | 97.2 | |
Yes | 24 | 2.8 | |
Body mass index, kg/m2 | 857 | 22.2 ± 3.6 | |
Axial length, mm | 857 | 23.7 ± 0.9 | |
Peripapillary retinal nerve fiber layer, μm | 856 | 96.5 ± 9.2 | |
Macular ganglion cell‐inner plexiform layer, μm | 857 | 84.3 ± 6.1 | |
Macular ganglion cell complex, μm | 843 | 117.4 ± 8.4 | |
Brain volumes | 857 | ||
WM volume, cm3 | 452.9 ± 46.5 | ||
WM fraction, % of TIV | 32.6 ± 1.1 | ||
GM volume, cm3 | 676.4 ± 59.4 | ||
GM fraction, % of TIV | 48.7 ± 1.6 | ||
TIV, cm3 | 1389.5 ± 125.5 | ||
Cortical thickness, mm | 857 | 2.84 ± 0.08 | |
Diffusion variables | 854 | ||
Fractional anisotropy | 0.54 ± 0.01 | ||
Mean diffusivity, 10−4 mm2/s | 7.04 ± 0.16 | ||
Peak‐width of skeletonized mean diffusivity, 10−4 mm2/s | 1.54 ± 0.14 | ||
Neurite density index | 0.69 ± 0.027 | ||
Orientation dispersion index | 0.20 ± 0.008 |
Abbreviations: GM, grey matter; TIV, total intracranial volume; WM, white matter.