Table 6.
CDR scores in the cross-sectional validation sample (n=50), by long vs. short (SIST-M) interview format.
| Long format: N (%) | Short format: N (%) | Agreement by κ or ICC (95% CI) | |
|---|---|---|---|
| CDR Sum-of-Boxes | Mean (SD), range = 1.34 (1.32), 0–4.5 | Mean (SD), range = 0.81 (1.05), 0–4.0 | 0.73 (0.58–0.84) |
| - 0 | 17 (34.0) | 20 (40.0) | |
| - 0.5 | 4 (8.0) | 11 (22.0) | |
| - 1.0, 1.5 | 11 (22.0) | 12 (24.0) | |
| - 2.0, 2.5 | 10 (20.0) | 2 (4.0) | |
| - 3.0, 3.5 | 6 (12.0) | 4 (8.0) | |
| - ≥ 4.0 | 2 (4.0) | 1 (2.0) | |
| CDR Global rating | 0.70 (0.52–0.88) | ||
| - 0 | 18 (36.0) | 23 (46.0) | |
| - 0.5 | 31 (62.0) | 27 (54.0) | |
| - 1.0 | 1 (2.0) | 0 (0) | |
| Memory | 0.71 (0.58–0.84) | ||
| - 0 | 18 (36.0) | 23 (46.0) | |
| - 0.5 | 22 (44.0) | 21 (42.0) | |
| - 1.0 | 10 (20.0) | 6 (12.0) | |
| Orientation | 0.51 (0.29–0.74) | ||
| - 0 | 33 (66.0) | 41 (82.0) | |
| - 0.5 | 16 (32.0) | 9 (18.0) | |
| - 1.0 | 1 (2.0) | 0 (0) | |
| Judgment and Problem-solving | 0.61 (0.43–0.79) | ||
| - 0 | 26 (52.0) | 35 (70.0) | |
| - 0.5 | 20 (40.0) | 14 (28.0) | |
| - 1.0 | 4 (8.0) | 1 (2.0) | |
| Community Affairs | 0.66 (0.45–0.87) | ||
| - 0 | 35 (70.0) | 39 (78.0) | |
| - 0.5 | 13 (26.0) | 9 (18.0) | |
| - 1.0 | 2 (4.0) | 2 (4.0) | |
| Home and Hobbies | 0.46 (0.24–0.67) | ||
| - 0 | 26 (52.0) | 41 (82.0) | |
| - 0.5 | 20 (40.0) | 8 (16.0) | |
| - 1.0 | 4 (8.0) | 1 (2.0) | |
| Personal Care* | N/A | ||
| - 0 | 50 (100) | 50 (100) | |
| - 1.0 | 0 (0) | 0 (0) | |
*
κ was not calculated, as no participants were rated as impaired (100% absolute agreement).