Ophthalmologic Psychophysical Tests Support OCT Findings in Mild Alzheimer’s Disease

Table 3

aROC analysis of psychophysical tests in mild Alzheimer’s disease.

Psychophysical test	aROC	SD	value
Visual Acuity	0.771	0.072	0.001
Contrast sensitivity
3 cpds	0.755	0.072	0.002
6 cpds	0.808	0.061	0.001
12 cpds	0.832	0.064	0.001
18 cpds	0.857	0.055	0.001
Rue 28-hue
Number of errors	0.610	0.081	0.186
Tritan unspecific errors	0.714	0.074	0.01
PDT (sheet)
Successful number of sheets	0.758	0.068	0.002

, Mann-Whitney test (aROC: area under the receiver operating characteristic; AD: Alzheimer’s disease; cpds: cycles per degree; PDT: perception digital test; SD: standard deviation).