Table 1 Patient demographics summary.

From: Developing an image-based grading scale for peripheral drusen to investigate associations of peripheral drusen type with age-related macular degeneration

Demographic category

Final cohort

Excluded subjects

N = 283 Patients

N = 1388 Patients

Age

73.1 (71.9, 74.4)

60.2 (59.2, 61.3)

Race

 White

217 (76.7%)

742 (53.5%)

 Asian

24 (8.5%)

230 (16.6%)

 Hispanic

13 (4.6%)

128 (9.2%)

 Other or Mixed Race

24 (8.5%)

156 (11.2%)

 African American or Black

5 (1.8%)

63 (4.5%)

 Unknown or Not Reported

0 (0.0%)

52 (3.7%)

 Native Hawaiian or Other Pacific Islander

0 (0.0%)

7 (0.5%)

 American Indian or Alaskan Native

0 (0.0%)

10 (0.7%)

Sex

 Female

182 (64.3%)

746 (53.7%)

 Male

101 (35.7%)

642 (46.3%)