Table 3 Mean (SD) scores on the Revised Hasegawa Dementia Scale, by item and age group, Lao PDR
Question no. and category (no. of points) | Mean (SD) score | |||||
|---|---|---|---|---|---|---|
All participants (N = 2206) | Age group (years) | |||||
60–64 (n = 731) | 65–69 (n = 655) | 70–74 (n = 387) | 75–79 (n = 256) | ≥ 80 (n = 177) | ||
1. Age (1) | 0.9 (0.2) | 1.0 (0.2) | 1.0 (0.2) | 1.0 (0.2) | 0.9 (0.3) | 0.9 (0.3) |
2. Temporal orientation (4) | 2.6 (1.4) | 2.9 (1.3) | 2.8 (1.3) | 2.5 (1.4) | 2.3 (1.4) | 1.8 (1.4) |
3. Spatial orientation (2) | 1.9 (0.4) | 1.9 (0.3) | 1.9 (0.3) | 1.8 (0.4) | 1.8 (0.5) | 1.7 (0.6) |
4. Registration (words) (3) | 2.8 (0.7) | 2.8 (0.6) | 2.8 (0.6) | 2.8 (0.8) | 2.7 (0.8) | 2.5 (1.0) |
5. Attention/calculation (2) | 0.9 (0.8) | 1.1 (0.7) | 0.9 (0.7) | 0.4 (0.7) | 0.6 (0.7) | 0.4 (0.6) |
6. Counting backwards (2) | 0.8 (0.8) | 0.9 (0.7) | 0.8 (0.7) | 0.7 (0.7) | 0.6 (0.7) | 0.5 (0.7) |
7. Recall (words) (6) | 3.9 (2.1) | 4.2 (2.0) | 4.1 (2.0) | 3.7 (2.1) | 3.5 (2.1) | 3.1 (2.2) |
8. Registration (objects) (5) | 3.9 (1.1) | 4.1 (0.9) | 4.0 (1.0) | 3.7 (1.2) | 3.6 (1.3) | 3.1 (1.4) |
9. Word fluency (5) | 1.1 (1.3) | 1.5 (1.4) | 1.2 (1.3) | 0.9 (1.1) | 0.8 (1.2) | 0.5 (1.0) |
Total score (30) | 18.8 (5.4) | 20.4(5.4) | 19.6(4.9) | 17.8 (5.2) | 16.8 (5.6) | 14.7 (5.5) |