Table 3.
Characteristics of main outcome domains in all 175 systematic reviews examined
| Characteristic | Number of systematic reviews (N = 175) n (%) |
|---|---|
| Main outcome domain | |
| Visual acuity | 55 (31) |
| Intraocular pressure | 11 (6) |
| Visual field | 7 (4) |
| Visual impairment/vision loss | 5 (3) |
| Success of surgery/procedure | 5 (3) |
| Failure of trabeculectomy | 4 (2) |
| Progression of age-related macular degeneration | 3 (2) |
| Reading speed | 3 (2) |
| Ocular symptoms (unspecified) | 3 (2) |
| Symptoms of dry eye | 3 (2) |
| Vision-related quality of life | 3 (2) |
| Resolution of infection | 3 (2) |
| Active trachoma | 3 (2) |
| Healing of keratitis | 3 (2) |
| Other | 64 (37) |
| Type of main outcome domain | |
| Categorical | 122 (70) |
| Continuous | 50 (29) |
| Other (i.e., time-to-event) | 2 (1) |
| Not reported | 1 (0) |
| Goal of main outcome domain | |
| Efficacy | 172 (98) |
| Safety | 3 (2) |