Table 6 Anchor-based CID estimates based on changes from post-intervention and six month follow-up for the 37-item FACT-Cog total score
EORTC change | N (%) | Mean change in FACT-Cog (SD) | CID Estimatea | Standardized effect size (% of scale) |
|---|---|---|---|---|
T2:ρ = 0.58 | ||||
Much better | 92 (48) | 31.3 (25.2) | ||
Minimally better | 50 (26) | 16.5 (16.7) | ||
No change | 39 (20) | 4.5 (15.9) | 12.0 | 0.46 (9.1) |
Minimally worse | 10 (5) | 4.6 (18.1) | ||
Much worse | 1 (0.5) | 15 (−) | ||
T3:ρ = 0.63 | ||||
Much better | 85 (47) | 33.0 (23.8) | ||
Minimally better | 56 (31) | 17.9 (17.0) | ||
No change | 35 (19) | 7.5 (16.2) | 10.4 | 0.40 (7.0) |
Minimally worse | 6 (3) | −16.7(16.1) | ||
Much worse | 1 (0.6) | 10 (−) | ||