Characteristics of study subjects
| nAMD | PCV | Control | |
| Hong Kong cohort | n=214 | n=236 | n=433 |
| Gender (male/female) | 121/93 | 163/73 | 167/266 |
| Mean age±SD (years) | 75.2±7.6 | 68.5±9.0 | 70.9±11.0 |
| Age range (years) | 50–94 | 50–90 | 60–94 |
| Shantou cohort | n=189 | n=187 | n=531 |
| Gender (male/female) | 131/58 | 134/53 | 228/303 |
| Mean age±SD (years) | 67.3±10.1 | 63.1±10.5 | 71.1±8.3 |
| Age range (years) | 50–90 | 54–81 | 60–97 |
| Japan cohort | n=192 | n=204 | n=157 |
| Gender (male/female) | 129/63 | 157/47 | 52/105 |
| Mean age±SD (years) | 74.3±7.3 | 72.2±8.0 | 67.9±15.1 |
| Age range (years) | 56–92 | 51–89 | 50–83 |
NA, not applicable; nAMD, neovascular age-related macular degeneration; PCV, polypoidal choroidal vasculopathy.