Cluster Group

1 vs. 2

3 vs. 4

 

1 vs. 3

1 vs. 4

2 vs. 3

2 vs. 4

Age [years]

0.306

0.168

 

<0.001

<0.001

<0.001

<0.001

Fractional Anisotropy

0.762

0.695

 

0.028

0.008

0.039

0.011

Mean Diffusivity [10-3 mm2 s−1]

0.734

0.850

 

0.007

0.001

0.005

0.001

Axial Diffusivity [10-3 mm2 s−1]

0.880

0.919

 

0.020

0.006

0.046

0.012

Radial Diffusivity [10-3 mm2 s−1]

0.734

0.879

 

0.007

<0.001

0.004

0.002

Mean RNFL [μm]

<0.001

<0.001

 

<0.001

<0.001

0.313

<0.001

RNFL OD [μm]

<0.001

<0.001

 

<0.001

<0.001

0.535

<0.001

RNFL OS [μm]

<0.001

<0.001

 

<0.001

<0.001

0.347

0.014

Mean Deviation of OD [dB]

0.248

<0.001

 

0.126

<0.001

0.886

<0.001

Mean Deviation of OS [dB]

0.350

<0.001

 

0.113

<0.001

0.614

0.006

VA of OD [decimal]

0.744

0.097

 

0.164

0.003

0.247

0.018

VA of OS [decimal]

0.417

0.309

 

0.120

0.040

0.565

0.199

Tensio OD [mmHg]

0.849

0.381

 

0.562

0.738

0.404

0.829

Tensio OS [mmHg]

0.376

0.501

 

0.418

0.890

0.249

0.582

OD, right eye; OS, left eye; FA, fractional anisotropy; MD, mean diffusivity; AD, axial diffusivity, RD, radial diffusivity; RNFL, retinal nerve fiber layer thickness; VA, best corrected visual acuity.
Table 3: Comparison between clusters. The p-values of the non-parametric t-test for unpaired samples are given.