Table A3.
Formal comparison of cohort characteristics. Differences between ROS/MAP and the two other cohorts were tested using Pearson’s chi-squared test (categorical variables) or Welch t-test (quantitative variables).
| ROS/MAP v. ADGC | ROS/MAP v. Banner | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| χ2 | t | df | N | p | χ2 | t | df | N | p | |
| % Female | 105.7 | 1 | 3239 | 8.5 × 10−25 | 31.5 | 1 | 1479 | 2.0 × 10−8 | ||
| Cognitive Diagnosis * | 451.5 | 3 | 3153 | 1.5 × 10−97 | 10.0 | 3 | 1393 | 1.9 × 10−2 | ||
| % Gross Infarct * | 222.0 | 1 | 3235 | 3.4 × 10−50 | 0.0 | 1 | 1479 | 9.5 × 10−1 | ||
| % Microinfarct * | 71.9 | 1 | 3236 | 2.3 × 10−17 | 1.8 | 1 | 1479 | 1.9 × 10−1 | ||
| Age | 20.0 | 3196.9 | 3239 | 1.0 × 10−83 | 6.6 | 185.6 | 1479 | 3.2 × 10−10 | ||
| Cerebral Atherosclerosis | −5.2 | 3048.0 | 3239 | 2.6 × 10−7 | −7.7 | 179.3 | 1479 | 8.7 × 10−13 | ||
| Braak Stage * | −14.9 | 3220.7 | 3229 | 2.6 × 10−48 | −3.0 | 187.4 | 1479 | 2.9 × 10−3 | ||
* p < 0.001 in ROS/MAP—ADGC comparison and p > 0.001 in ROS/MAP—Banner comparison.