Table 4 Characteristics of patients with neovascular AMD stratified according to whether subretinal fibrosis was absent or present
|  | Subretinal fibrosis absent (n = 17) | Subretinal fibrosis present (n = 21) | P-value |
|---|---|---|---|
Age, years, mean (SD) | 75.7 (8.6) | 80.4 (6.5) | 0.071 |
Females, n (%) | 7 (41) | 10 (48) | 0.69 |
Smoking status, n (%) | Â | Â | 0.23 |
 Active | 5 (29) | 5 (24) |  |
 Ex-smoker | 7 (29) | 14 (10) |  |
 Never smoker | 5 (41) | 2 (67) |  |
Alcohol consumption, units, median (IQR) | 7 (1 to 14) | 7 (1 to 10) | 0.28 |
Body mass index, mean (SD) | 25.1 (3.4) | 25.5 (5.1) | 0.75 |
Physically active, n (%) | 8 (47) | 13 (62) | 0.36 |
Time from diagnosis to samplinga, mean (SD) | 19 (14) | 38 (33) | 0.028 |