Table 2 Concurrent validation of 10/66 and DSM-IV dementia diagnoses
From: The prevalence of dementia in a Portuguese community sample: a 10/66 Dementia Research Group study
Group 1: No dementia (n = 1268) | Group 2: 10/66 dementia not confirmed by DSM-IV (n = 105) | Group 3: DSM-IV dementia (n = 24) | Group 1 vs Group 2 | Group 1 vs Group 3 | Group 2 vs Group 3 | ||
|---|---|---|---|---|---|---|---|
CSI’D COGSCORE | Mean (SD) | 29.8 (2.5) | 20.6 (7.3) | 17.5 (7.4) | t value = −9.1 p < 0.001 | t value = −12.3 p < 0.001 | t value = −3.1 p = 0.061 |
Median (IQR) | 30.3 (28.4–31.6) | 22.1 (18.7–25.3) | 20.1 (14.2–21.6) | ||||
CSI’D RELSCORE | Mean | 1.3 (1.7) | 10.5 (9.1) | 20.4 (7.1) | t value = 9.2 p < 0.001 | t value = 19.1 p < 0.001 | t value = 9.9 p < 0.001 |
Median | 1 (0–2) | 8 (3–16) | 21.5 (17–24.4) | ||||
NPI-Q Distress | Mean | 1.2 (1.9) | 3.3 (3.6) | 7.4 (6.0) | t value = 2.1 p < 0.001 | t value = 6.2 p < 0.001 | t value = 4.06 p < 0.001 |
Median | 0 (0–2) | 2 (0–5) | 6 (2–12) | ||||
NPI-Q Severity | Mean | 1.4 (2.7) | 4.4 (6.1) | 10.8 (8.6) | t value = 3.0 p < 0.001 | t value = 9.3 p < 0.001 | t value = 6.4 p < 0.001 |
Median | 0 (0–2) | 2 (0–7) | 8 (3–17) | ||||
WHODAS 2.0 Disability | Mean | 16.9 (19.2) | 41.1 (30.0) | 52.8 (31.9) | t value = 24.2 p < 0.001 | t value = 35.9 p < 0.001 | t value = 11.7 p = 0.09 |
Median | 11.1 (0–27.8) | 37.5 (15.3-66.7) | 55.5 (27.8–80.56) | ||||
Need for care | Needs care much of the time | 2.1% | 33.3% | 54.2% | X2 = 381.7 p < 0.0001 | ||
Needs care some of the time | 6.1% | 24.8% | 25.0% | ||||
No care needed | 91.9% | 41.9% | 21.0% | ||||