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| Genotype | N | MMSE score | Pa | Pb |
|---|---|---|---|---|
| LL | 4 | 21.25±0.50 | – | – |
| LS | 20 | 19.95±0.94 | 0.003 | – |
| SS | 36 | 16.94±1.37 | <0.001 | <0.001 |
The independent sample unpaired t-test was used for the comparison between the two groups. Pa means LS vs. LL/SS vs. LL; Pb means SS vs. LS. P<0.05 means the difference is statistically significant. PTSD, post-traumatic stress disorder.
