Table 3.
Weighted means and mean estimates as estimated by random-effects models (for overall) or mixed-effects models (for by continent) for baseline characteristics of studies included in the meta-analysis.
| Variable | Number of eyes (studies included) | Weighted mean | Random or mixed-effects estimate (95% CI) |
|---|---|---|---|
| Females, % | |||
| Overall | 2378 (39) | 52.5 | 52.7 (49.6, 55.8) |
| America | 185 (3) | 54.1 | 54.2 (43.6, 64.9) |
| Asia | 1171 (19) | 54.8 | 54.9 (50.5, 59.2) |
| Europe | 990 (16) | 49.7 | 50.1 (45.3, 54.8) |
| Multicountry | 32 (1) | 46.9 | – |
| Baseline age | |||
| Overall | 2267 (40) | 63.9 | 63.9 (62.3, 65.5) |
| America | 185 (3) | 67.4 | 67.4 (62.0, 72.9) |
| Asia | 1227 (20) | 62.3 | 62.8 (60.7, 64.9) |
| Europe | 823 (16) | 65.8 | 65.2 (62.9, 67.6) |
| Multicountry | 32 (1) | 54.2 | – |
| Baseline VA | |||
| Overall | 2271 (40) | 52.8 | 54.0 (51.5, 56.5) |
| America | 185 (3) | 48.7 | 50.7 (41.2, 60.1) |
| Asia | 1227 (20) | 53.5 | 54.5 (50.9, 58.2) |
| Europe | 827 (16) | 52.8 | 53.8 (49.7, 58.0) |
| Multicountry | 32 (1) | 54.5 | – |
| Baseline CST | |||
| Overall | 2199 (40) | 503.8 | 501.3 (483.5, 519.1) |
| America | 185 (3) | 446.8 | 450.5 (388.0, 513.1) |
| Asia | 1101 (19) | 516.3 | 514.1 (488.6, 539.7) |
| Europe | 881 (17) | 501.0 | 497.3 (470.3, 524.4) |
| Multicountry | 32 (1) | 481.7 | – |
Mixed-effects estimates were not calculated if only a single study was available for that continent and are indicated by a dash.