Table 3.
Frequencies, means and standard deviations by age and education category for the cognitively normal Czech participants
| Age | ≤69 | 70–79 | ≥80 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Education | lower | higher | lower | higher | lower | higher | ||||||
| n | Mean (SD) | n | Mean (SD) | n | Mean (SD) | n | Mean (SD) | n | Mean (SD) | n | Mean (SD) | |
| MMSE: Orientation | 71 | 9.7 (0.6) | 82 | 9.7 (0.5) | 73 | 9.5 (0.7) | 96 | 9.8 (0.6) | 93 | 9.2 (0.7) | 105 | 9.4 (0.8) |
| MMSE (Total) | 71 | 27.9 (1.6) | 82 | 28.3 (1.4) | 73 | 27.0 (2.1) | 96 | 28.1 (1.6) | 93 | 26.4 (2.1) | 105 | 27.2 (1.8) |
| LM-A Immediate | 71 | 9.5 (3.7) | 82 | 11.6 (3.8) | 73 | 8.5 (3.5) | 96 | 10.4 (3.4) | 93 | 8.2 (3.3) | 105 | 10.2 (3.1) |
| LM-A Delayed | 71 | 8.6 (3.7) | 82 | 10.6 (3.5) | 73 | 7.4 (3.2) | 96 | 9.4 (3.3) | 93 | 6.8 (2.9) | 105 | 8.6 (3.2) |
| DS-Forward (Total) | 71 | 8.4 (2.0) | 82 | 9.7 (2.3) | 73 | 8.1 (1.5) | 96 | 8.8 (2.3) | 93 | 7.7 (1.8) | 105 | 8.3 (2.0) |
| DS-Forward (Seq.) | 71 | 5.7 (1.2) | 82 | 6.4 (1.3) | 73 | 5.5 (1.0) | 96 | 5.9 (1.3) | 93 | 5.3 (1.1) | 105 | 5.8 (1.2) |
| DS-Backward (Total) | 71 | 5.5 (2.1) | 82 | 6.7 (2.2) | 73 | 5.1 (1.7) | 96 | 5.8 (2.0) | 93 | 4.9 (1.4) | 105 | 5.3 (1.6) |
| DS-Backward (Seq.) | 71 | 4.2 (1.4) | 82 | 4.8 (1.3) | 73 | 4.0 (1.0) | 96 | 4.3 (1.2) | 93 | 3.8 (0.8) | 105 | 4.0 (1.0) |
| Fluency: Animals | 71 | 21.1 (4.6) | 82 | 24.3 (4.9) | 73 | 19.1 (5.6) | 96 | 21.8 (6) | 93 | 16.7 (5.0) | 105 | 19.2 (5.9) |
| Fluency: Vegetables | 71 | 14.2 (3.0) | 80 | 14.5 (3.2) | 72 | 13.2 (3.2) | 95 | 13.9 (3.5) | 92 | 12.3 (2.8) | 105 | 12.7 (3.2) |
| TMT-A | 71 | 50.2 (21.9) | 82 | 41.9 (16.8) | 73 | 60.6 (25.6) | 96 | 48.7 (17.2) | 93 | 78.2 (35.3) | 105 | 66.1 (29.7) |
| TMT-B | 71 | 124.1 (56.8) | 82 | 99.4 (48.5) | 72 | 151.0 (58.2) | 95 | 119.9 (51.6) | 89 | 189.4 (60.0) | 105 | 157.9 (65.5) |
| WAIS-R-DS | 71 | 37.7 (9.8) | 82 | 44.5 (9.0) | 73 | 31.8 (7.6) | 96 | 38.5 (9.0) | 92 | 26.8 (8.4) | 105 | 32.9 (7.2) |
| BNT-30 | 71 | 28.5 (1.6) | 82 | 29.4 (0.8) | 73 | 28.1 (2.5) | 96 | 29.0 (1.1) | 93 | 27.7 (2.7) | 105 | 28.8 (1.5) |
MMSE: Orientation, MMSE: Orientation (Total Score); MMSE (Total), MMSE (Total Score); LM-A Immediate, Logical Memory A Immediate (Total Units); LM-A Delayed, Logical Memory A Delayed (Total Units); DS-Forward (Total), Digit Span-Forward (Total Trials); DS-Forward (Seq.), Digit Span-Forward (Longest Sequence); DS-Backward (Total), Digit Span-Backward (Total Trials); DS-Backward (Seq.), Digit Span-Backward (Longest Sequence); Fluency: Animals, Category Fluency: Animals (Total in 60 s); Fluency: Vegetables, Category Fluency: Vegetables (Total in 60 s); TMT-A, Trail Making Test: A (Time in s); TMT-B, Trail Making Test: B (Time in s)-higher scores on Trails A and B are suggestive of poorer performance whereas lower scores are suggestive of no cognitive impairment); WAIS-R DS, WAIS-R Digit Symbol (Total Items in 90 s); BNT-30, Boston Naming Test, 30 items (Total Score).