Table 1.
Demographic and clinical data of patients and controls.
| AD | Control | Difference p-value |
|
|---|---|---|---|
| (n = 19) | (n = 24) | ||
| Age* | 79.16 ± 3.93 | 75.71 ± 2.83 | 0.587†† |
| Gender | 0.904† | ||
| Men | 6 | 8 | |
| Women | 13 | 16 | |
| Race | Caucasian | Caucasian | |
| MMSE* | 23.42 ± 3.11 | 28.38 ± 2.02 | <0.001†† |
| Range = [17, 29] | Range = [25, 31] | ||
| Educational level** | 1 ± 1 | 1 ± 0 | 0.564†† |
| Refractive error* | 0.39 ± 1.40 | −0.12 ± 1.13 | 0.184††† |
| Range = [−2.00, 4.00] | Range = [−2.75, 2.25] |
*Mean value ± SD; **median ± interquartile range; †Proportions z-test; ††Mann–Whitney U-test; †††Student’s t-test [AD, Alzheimer’s disease; MMSE, Mini-Mental State Examination; SD, standard deviation].