Table 2.
Effects of Low Vision Rehabilitation Intervention
| AI Change Score, Logits | MCID Criteria,a % | ||||
|---|---|---|---|---|---|
| Mean (SD) | ITT Sample | Achieved (95% CI) | Achieved (ITT Sample) | ||
| Goals/overall visual ability (n = 468) | 0.89(1.02) | 0.79 | 0.87 (0.82) | 47(44–50) | (41) |
| Reading (n = 422) | 0.45 (1.12) | 0.40 | 0.40 (0.38) | 44 (42–48) | (40) |
| Mobility (n = 269) | 0.50(1.25) | 0.45 | 0.40 (0.38) | 27 (25–31) | (25) |
| Visual information processing (n = 393) | 0.42 (0.83) | 0.38 | 0.51 (0.46) | 33 (31–37) | (30) |
| Visual motor function (n = 398) | 0.54(1.13) | 0.48 | 0.48 (0.45) | 38 (36–42) | (34) |
Abbreviations: AI, activity inventory; ITT, intention-to-treat;
MCID, minimum clinically important difference.
a
Criterion is met if the change score exceeds 1.96 (standard errors of the change score estimate).