Table 1 Characteristics of study participants by group
|  | Glaucoma suspect controls (n = 60) | AMD (n = 65) | p value |
|---|---|---|---|
Vision | Â | Â | Â |
  Median better-eye acuity, logMAR (IQR) | 0.08 (0.0, 0.16) | 0.38 (0.20, 0.06) | <0.001 |
  Median better-eye acuity, Snellen | 20/24 | 20/48 |  |
  Median binocular log contrast sensitivity (IQR) | 1.9 (1.8, 2.0) | 1.5 (1.4, 1.6) | <0.001 |
  No. with cataract/PCO, either eye (%) | 14 (23.2) | 21 (32.3) | 0.18 |
  No. with cataract/PCO, both eyes (%) | 6 (10.7) | 11 (17.5) | 0.29 |
Demographics | Â | Â | Â |
  Median age in years (IQR) | 69.4 (65.2, 72.8) | 75.9 (71.9, 78.3) | <0.001 |
  No. African-American (%) | 12 (20.0) | 1 (1.5) | 0.001 |
  No. female (%) | 37 (61.7) | 38 (58.5) | 0.72 |
  Median education in years (IQR) | 16.5 (14.0, 17.0) | 16.0 (13.0, 17.0) | 0.34 |
  No. employed (%) | 23 (38.3) | 14 (21.5) | 0.04 |
  No. living alone (%) | 11 (18.3) | 14 (21.5) | 0.65 |
Health | Â | Â | Â |
  Median body mass index in kg/m2 (IQR) | 27.9 (23.8, 32.2) | 27.4 (24.2, 32.5) | 0.96 |
  Median grip strength in kg (IQR) | 26.3 (21.3, 32.3) | 27.0 (21.3, 34.3) | 0.66 |
  Median no. comorbid illnesses (IQR) | 2 (1, 3) | 2 (1, 3) | 0.94 |
  No. with depressive symptoms (%) | 3 (5.0) | 3 (4.6) | 0.92 |
  Median MMSE-VI score, #/22 (IQR) | 21 (20, 22) | 21 (20, 22) | 0.56 |