Table 3.
Control (n = 26) |
MCI (n = 25) |
AD (n = 23) |
|||||||
---|---|---|---|---|---|---|---|---|---|
Mean ± SEM | Median | Range | Mean ± SEM | Median | Range | Mean ± SEM | Median | Range | |
Age [years] | 58.9 ± 2.3 | 62 | 32–82 | 68.5 ± 2.1 | 68 | 46–86 | 73.3 ± 1.9 | 74 | 53–89 |
Dkk-3 [nmol/L] | 28.2 ± 1.3 | 27.4 | 18.6–42.1 | 30.6 ± 2.8 | 28.2 | 4.7–55.1 | 33.6 ± 2.2* | 30.9 | 20.3–65.6 |
Total-tau [pg/mL] | 235 ± 18 | 232 | 46–441 | 433 ± 62** | 340 | 45–1200 | 797 ± 49*** | 794 | 509–1358 |
Phospho-tau-181 [pg/mL] | 34 ± 3 | 32 | 16–69 | 54 ± 6** | 49 | 10–109 | 96 ± 7*** | 99 | 36–156 |
β-Amyloid (1–42) [pg/mL] | 1045 ± 55 | 1038 | 523–1728 | 655 ± 66*** | 585 | 215–1434 | 357 ± 32*** | 324 | 144–757 |
Ratioa | 37.8 ± 2.0 | 36.8 | 24.4–63.3 | 22.8 ± 1.7*** | 21.4 | 10.9–46.0 | 11.2 ± 1.0*** | 10.0 | 4.4–21.6 |
AD, Alzheimer’s disease; MCI, mild cognitive impairment; Dkk, Dickkopf homolog
β-amyloid (1–42)/Dkk-3. Statistical significance versus controls was determined by unpaired two-sided Student’s t-test
p < 0.05
p < 0.01
p < 0.001.