| Groups |
n |
Genotype frequencies (%) |
Allele frequency (%) |
|||
| LL |
SL |
SS |
L |
S |
||
| The Study Group (PTSD) |
57 |
5 (8.8) |
16 (28.1) |
36 (63.1) |
26 (22.8) |
88 (77.2) |
| The control group |
57 |
16 (28.1) |
22 (38.6) |
19 (33.3) |
54 (47.4) |
60 (52.6) |
| χ2 |
|
11.96 |
15.10 |
|||
| P |
|
0.003 |
0.000 |
|||