Table 1 Characteristics of participants included in the analyses (n = 2872).

From: Retinal layer assessments as potential biomarkers for brain atrophy in the Rhineland Study

 

Mean ± SD or n(%)

Age (years)

53.8 ± 13.2

Women

1649 (57.4%)

Spherical equivalent (dpt)

− 0.65 ± 2.5

Body-Mass-Index (kg/m2)

25.6 ± 4.2

Smoking status

Never

1390 (48.4%)

Former

1103 (38.4%)

Current

379 (13.2%)

Hypertension

980 (34%)

Diabetes mellitus

116 (4%)

Brain volumetric parameters (in ml)

Total brain

1111.0 ± 116.1

Total grey matter

461.2 ± 47.5

Total white matter

458.2 ± 57.8

Occipital grey matter

48.3 ± 6.2

Occipital white matter

42.4 ± 6.2

Hippocampi

7.92 ± 0.9

Fractional anisotropy (FA) of total white mattera

0.629 ± 0.02

FA of WM of the optic radiationa

0.628 ± 0.02

Macular volumetric parameters (in mm3)

Retinal nerve fiber layer (mRNFL)

0.95 ± 0.12

Ganglion cell layer (mGCL)

1.08 ± 0.10

Inner plexiform layer (mIPL)

0.89 ± 0.07

Inner nuclear layer (mINL)

0.95 ± 0.06

Outer plexiform layer (mOPL)

0.82 ± 0.07

Outer nuclear layer (mONL)

1.73 ± 0.19

Retinal pigment epithelium (mRPE)

0.39 ± 0.04

Total retina

8.66 ± 0.39

Optic disc thickness parameters (in microns)

Peripapillary retinal nerve fiber layer (pRNFL)

100.0 ± 10.8

Bruch’s membrane opening–minimum rim width (BMO–MRW)

341.3 ± 61.3

  1. an = 2797.