Table 5. Mann-Whitney U comparisons for objective memory scores between the non-COVID group for each time period post-COVID.
| Groups |
N |
Mean Rank |
Z |
U |
p |
Adjusted p* |
|---|---|---|---|---|---|---|
|
Non-COVID
compared to: |
3722 | 1991.11 | ||||
|
0–3 months post-COVID |
501 | 1909.79 | -4.184 | 831053.50 | < 0.001 | < 0.001 * |
|
4–7 months post-COVID |
204 | 1809.03 | -2.119 | 348132.00 | 0.034 | 0.204 |
| 8–11 months post-COVID | 754 | 2083.89 | -3.812 | 1286614.50 | < 0.001 | < 0.001 * |
| 12+ months post-COVID | 247 | 1892.95 | -1.382 | 436929.50 | 0.167 | 1.002 |
* Represents significant difference between the post-COVID and non-COVID group.