Table 1.
Baseline characteristics.
| Baseline characteristics | Study participants | Control | P |
|---|---|---|---|
| (n = 23) | (n = 45) | ||
| Age, y | |||
| Mean | 59 | 61 | .33 |
| Range | 45-75 | 50-76 | |
| Age group, y, No. (%) | |||
| 20-49 | 1 (4) | 0 (0) | |
| 50-79 | 22 (96) | 45 (100) | |
| Sex, No. (%) | |||
| Male | 14 (61) | 24 (53) | .56 |
| Female | 9 (39) | 21 (47) | |
| Visual acuity of qualification eyea | |||
| Snellen equivalent, mean | 20/35 | 20/21 | < .001b |
| Phakic status, No. (%) | |||
| Phakic | 4 (17) | 32 (71) | < .001b |
| Pseudophakic | 19 (83) | 13 (29) | |
a Visual acuity was measured with habitual correction and Early Treatment Diabetic Retinopathy Study charts. Snellen equivalents were recorded.
b Indicates statistical significance.