Table 1.
AD without depression (AD only) n = 25 | AD with depression (AD + MDD) n = 23 | Statistical analysis (χ2 test, ANOVA or Mann Whitney U test) | |
---|---|---|---|
Sex: Male: Female | 10:15 | 13:10 | Χ2 = 1.310, p = 0.252 |
Age at death (years), Mean ± SD | 82.8 (7.8) | 78.7 (9.9) | p = 0.116 |
Duration of AD (years) | 7.3 (4.2) | 8.7 (3.3) | p = 0.285 |
Mean ± SD | |||
Last documented MMSE score | 14.8 (8.0) | 15.1 (6.8) | p = 0.939 |
Mean ± SD | |||
Braak stage | Χ2 = 2.140, p = 0.544 | ||
III | 2 | 1 | |
IV | 1 | 1 | |
V | 8 | 12 | |
VI | 14 | 9 | |
APOE genotype | |||
2/3 | 2 | 0 | |
2/4 | 3 | 2 | |
3/3 | 7 | 5 | |
3/4 | 5 | 5 | |
4/4 | 0 | 4 | Χ2 = 6.510, p = 0.164 |
Thal phase | |||
Unknown | 1 | 0 | |
3 | 2 | 0 | |
4 | 15 | 18 | |
5 | 7 | 5 | Χ2 = 3.529, p = 0.317 |
LATE stage | |||
Unknown | 24 | 22 | |
Negative | 1 | 0 | |
2 | 0 | 1 | Χ2 = 2.007, p = 0.367 |
Braak lewy body stage | |||
Unknown | 7 | 9 | |
Unclassifiable | 1 | 0 | |
0 | 17 | 13 | |
2 | 0 | 1 | Χ2 = 2.705, p = 0.439 |
CERAD | |||
No plaques | 1 | 0 | |
Sparse | 1 | 1 | |
Moderate | 1 | 4 | |
High | 22 | 18 | Χ2 = 3.122, p = 0.373 |
Post-mortem delay (hours) | |||
Mean ± SD | 30.2 (14.6) | 40.4 (20.0) | p = 0.0683 |
Use of antidepressant medication in last 12 months | |||
No | 20 | 6 | |
Yes | 5 | 17 | Χ2 = 14.025, p < 0.001 |
Use of antipsychotic medication in last 12 months | |||
No | 20 | 16 | |
Yes | 5 | 7 | Χ2 = 0.696, p = 0.404 |
Use of anti-inflammatory medication in last 12 m | |||
No | 7 | 10 | |
Yes | 16 | 13 | Χ2 = 0.840, p = 0.359 |
Evidence of co-morbid inflammatory condition | |||
No | 6 | 15 | |
Yes | 19 | 8 | Χ2 = 8.270, p = 0.004 |