Table 1.
Population characteristics
| Characteristics | Patients with AMD (n=31) | Control individuals (n=30) | P-value |
|---|---|---|---|
| Age, years, mean (SD) | 79.7 (6.0) | 77.2 (6.5) | 0.131§ |
| Males, n (%) | 10 (32) | 16 (53) | 0.096# |
| BMI, kg/m2, mean (SD) | 26.6 (5.1) | 25.9 (4.6) | 0.555§ |
| Previous smoker, n (%) | 16 (52) | 16 (53) | 0.893# |
| Excessive alcohol use, n (%) | 7 (23) | 8 (27) | 0.711# |
| Physically active, n (%) | 9 (29) | 7 (23) | 0.613# |
| CRP level, mg/L, n (%)† | 0.270# | ||
| <3.1 | 20 (67) | 24 (83) | |
| 3.1–8.0 | 8 (27) | 3 (10) | |
| >8.0 | 2 (7) | 2 (7) | |
| White blood cells, in ×109 cells/L, mean (SD)‡ | 6.4 (1.6) | 6.1 (1.3) | 0.430§ |
Notes:
§
Independent samples t-test;
#
χ2 test;
†
data missing for one patient with AMD and one control individual;
‡
data missing for one patient with AMD and three control individuals.
Abbreviations: AMD, age-related macular degeneration; BMI, body mass index; CRP, C-reactive protein.