Table 6A.
Number of answers of subjects aged <55 years in cognitive tests
Item | Numerical item | Group | Baseline |
Week 4 |
Week 8 |
p (Inter-group) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Mean | SD | |||||||
Word memory test | Immediate recall | Measured value | P | 4.7 | 1.4 | 4.6 | 1.1 | 5.1 | 1.1 | |||
A | 4.6 | 0.7 | 5.0 | 0.9 | 5.5* | 1.1 | ||||||
Amount of change | P | –0.1 | 1.8 | 0.4 | 2.1 | 0.650 | ||||||
A | 0.4 | 1.0 | 0.9 | 1.1 | ||||||||
Immediate recall + cued recall | Measured value | P | 5.9 | 1.0 | 5.7 | 0.8 | 6.3 | 1.0 | ||||
A | 5.6 | 0.8 | 6.5* | 0.7 | 6.5* | 0.7 | ||||||
Amount of change | P | –0.1 | 1.2 | 0.4 | 1.4 | 0.085 | ||||||
A | 0.9 | 1.1 | 0.9 | 1.1 | ||||||||
Recall after 5 min | Measured value | P | 4.5 | 1.3 | 4.1 | 1.4 | 5.4* | 1.2 | ||||
A | 4.4 | 1.4 | 5.5* | 0.9 | 5.5* | 1.1 | ||||||
Amount of change | P | –0.4 | 1.8 | 0.9 | 1.4 | 0.027 | ||||||
A | 1.2 | 1.5 | 1.2 | 1.3 | ||||||||
Recall after 5 min + cued recall | Measured value | P | 5.4 | 1.2 | 5.0 | 1.0 | 6.0 | 1.2 | ||||
A | 5.1 | 0.9 | 6.0 | 1.1 | 6.2** | 0.8 | ||||||
Amount of change | P | –0.4 | 1.6 | 0.6 | 1.5 | 0.074 | ||||||
A | 0.9 | 1.4 | 1.1 | 1.0 | ||||||||
Verbal fluency test | Names of vegetables | Measured value | P | 17.4 | 3.5 | 17.1 | 3.0 | 18 | 3.4 | |||
A | 15.9 | 2.2 | 17.7* | 2.8 | 17.6** | 2.8 | ||||||
Amount of change | P | –0.2 | 2.8 | 0.6 | 3.0 | 0.11 | ||||||
A | 1.8 | 2.1 | 1.7 | 1.7 | ||||||||
Words that begin with “a” | Measured value | P | 13.7 | 3.7 | 13.2 | 3.6 | 15.6 | 5.4 | ||||
A | 14.1 | 3.2 | 14.4 | 4.8 | 17.5** | 3.2 | ||||||
Amount of change | P | –0.5 | 3.0 | 1.9 | 3.9 | 0.607 | ||||||
A | 0.3 | 4.3 | 3.4 | 2.9 | ||||||||
Animal words | Measured value | P | 19.6 | 3.6 | 20.5* | 3.3 | 21.1* | 3.7 | ||||
A | 19.5 | 4.5 | 20.4 | 4.9 | 22.5* | 3.8 | ||||||
Amount of change | P | 0.9 | 1.4 | 1.6 | 2.2 | 0.437 | ||||||
A | 0.8 | 4.8 | 2.9 | 3.3 | ||||||||
Stroop test | Step 1 | Measured value | P | 55.6 | 6.0 | 58.6* | 6.0 | 62.7** | 6.5 | |||
A | 60.6 | 5.4 | 62.6 | 5.8 | 67.6** | 4.8 | ||||||
Amount of change | P | 2.9 | 4.7 | 7.1 | 3.5 | 0.836 | ||||||
A | 2.0 | 5.1 | 7.0 | 4.2 | ||||||||
Step 2 | Measured value | P | 48.6 | 5.6 | 50.7* | 6.7 | 53.9** | 5.8 | ||||
A | 51 | 4.6 | 52 | 4.3 | 54.6** | 4.9 | ||||||
Amount of change | P | 2.1 | 3.3 | 5.4 | 3.3 | 0.510 | ||||||
A | 1.0 | 3.9 | 3.6 | 2.9 | ||||||||
Step 3 | Measured value | P | 38.9 | 4.4 | 41.0** | 5.2 | 42.0** | 5.8 | ||||
A | 40.7 | 3.0 | 41.5 | 4.7 | 44.3* | 5.0 | ||||||
Amount of change | P | 2.1 | 2.6 | 3.1 | 3.0 | 0.366 | ||||||
A | 0.8 | 3.7 | 3.5 | 4.0 | ||||||||
Step 4 | Measured value | P | 33.7 | 3.6 | 35.5 | 7.1 | 35.3 | 10.1 | ||||
A | 33.7 | 4.1 | 36.4 | 4.7 | 37.7** | 5.6 | ||||||
Amount of change | P | 1.8 | 7.3 | 1.6 | 8.8 | 0.702 | ||||||
A | 2.6 | 5.1 | 4.0 | 3.4 |
Group P: n = 14, group A: n = 11. Intra-group comparison at baseline *p<0.05 and **p<0.01 (1-sample t test). Inter-group comparison with group P (two-way-repeated measures of ANOVA)