Table 6 Concurrent validation of 10/66 Dementia and DSM-IV dementia diagnoses
Group 1 (n = 2587) Non-cases | Group 2 (n = 134) 10/66 cases not confirmed by DSM-IV | Group 3 (n = 188) DSM-IV cases | Mean difference (group 2 vs group 1) | Mean difference (group 2 vs group 3) | ||
|---|---|---|---|---|---|---|
CSI'D' COGSCORE (cognitive test score) | Mean (95% CI) | 30.6 (30.5–30.6) | 22.4 (21.3–23.7) | 17.1 (15.9–18.3) | -8.1 (-6.9 to -9.3) | 5.4 (3.7 to 7.1) |
Median (IQR) | 31.0 (29.6–32.1) | 23.9 (20.7–27.2) | 16.6 (12.3–23.4) | |||
CSI'D'RELSCORE(informant reports of cognitive and functional decline) | Mean (95% CI) | 1.1 (1.0–1.2) | 8.3 (7.3–9.3) | 15.4 (14.5–16.3) | 7.2 (6.2 to 8.2) | -7.1 (-5.8 to -8.5) |
Median (IQR) | 0.5 (0.0–1.5) | 7.5 (5.5–10.0) | 14.3 (10.0–20.0) | |||
NPI-Q Severity (severity of behavioural and psychological symptoms) | Mean (95% CI) | 2.0 (1.9–2.1) | 5.0 (4.1–5.9) | 7.1 (6.3–7.9) | 3.0 (2.2 to 3.9) | -2.1 (-0.9 to -3.2) |
Median (IQR) | 1 (0–3) | 3 (1–8) | 7 (2–11) | |||
NPI'Q' Distress (distress caused to the caregiver by BPSD) | Mean (95% CI) | 1.7 (1.6–1.9) | 5.0 (3.9–6.1) | 7.3 (6.3–8.4) | 3.3 (2.2 to 4.3) | -2.3 (-0.8 to -3.8) |
Median (IQR) | 0 (0–2) | 3 (0–7) | 5 (1–12) | |||
WHODAS II Disability | Mean (95% CI) | 9.6 (9.1–10.2) | 36.0 (30.8–41.2) | 48.7 (44.0–53.3) | 26.4 (21.2 to 31.6) | -12.7 (-5.7 to -19.7) |
Median (IQR) | 2.8 (0.0–13.9) | 26.4 (8.3–63.2) | 50.0 (19.4–77.8) | |||
Needs for care | No care needed | 96.6% | 58.7% | 29.8% | Chi sq = 1043, 1 df, p < 0.001 | |
Needs care some of the time | 1.9% | 11.6% | 15.2% | |||
Needs care much of the time | 1.4% | 29.8% | 55.1% | |||