Table 1.

Patient demographics and baseline characteristics

	N	Mean	SD	Median	Minimum	Maximum
Age	2718	78.13	7.86	78.92	53.35	102.15
Years of education	2716	16.01	3.77	16.00	0.00	30.00
Follow-up years	2718	0.02	0.30	0.00	0.00	10.00
Visual acuity	2718	1.58	1.30	1.00	1.00	7.00
Level of dementia	2715	1.44	0.80	1.00	1.00	5.00
Global score	2718	−0.00	0.64	0.10	−3.99	1.46