Table I.

Demographics and Past Medical History

Variable	Statistic	Early AMD	Intermediate AMD	Normal	P-Value Overall
Age	N	33	47	21	0.64
	Mean (SD)	71.8 (8.3)	70.4 (6.9)	71.7 (7.4)
	Min/Median/Max	57, 71, 89	50, 71, 84	60, 75, 82
Sex					0.63
Male	N (%)	13 (39)	14 (30)	8 (38)
Female	N (%)	20 (61)	33 (70)	13 (62)
Race					1.00
White (Caucasian)	N (%)	33 (100)	45 (96)	21 (100)
Black or African American	N (%)	0	1 (2)	0
Native Hawaiian or Pacific Islander	N (%)	0	1 (2)	0
Ethnicity					0.71
Not Hispanic or Latino	N (%)	28 (88)	44 (94)	20 (95)
Hispanic or Latino	N (%)	1 (3)	0	0
Unknown/Not reported	N (%)	3 (9)	3 (6)	1 (5)
Smoking					0.66
Never	N (%)	14 (44)	22 (47)	10 (50)
Former	N (%)	13 (41)	23 (49)	9 (45)
Current	N (%)	3 (9)	1 (2)	0
Unknown/Not reported	N (%)	2 (6)	1 (2)	1 (5)
Past Medical History
Hypertension	N (%)	19 ( 58)	24 ( 51)	14 ( 67)	0.46
Diabetes mellitus	N (%)	2 (6)	7 ( 15)	3 ( 14)	0.48
Myocardial infarction	N (%)	0	0	1 (5)
CAD	N (%)	1 ( 3)	4 ( 9)	3 ( 14)	0.32
Dyslipidemia	N (%)	17 ( 52)	19 ( 40)	8 ( 38)	0.51
Dementia	N (%)	0	0	0	---
Past Ocular History
Glaucoma Suspect	N (%)	0	2 ( 4)	0	---
Fuchs Dystrophy	N (%)				---
Dry Eye	N (%)	4 ( 12)	1 ( 2)	1 ( 5)	0.18

Continuous among-group comparison based ANOVA

Categorical among-group comparisons based on Fisher’s exact test.