Table 2. Descriptive Statistics.
Min. Value PTSD | Min Value Controls | Max. Value PTSD | Max Value Controls | Mean Value PTSD | Mean Value Controls | Std. Dev PTSD. | Std. Dev. Controls | ||
---|---|---|---|---|---|---|---|---|---|
Memory Performance | ADI Words | -.667 | -0.333 | 1.083 | 0.667 | .242 | 0.348 | 0.492 | 0.297 |
ADI Pictures | -.167 | 0.000 | 0.750 | 0.917 | .235 | 0.492 | 0.278 | 0.356 | |
RT Item Words | 799.083 | 823.083 | 2184.500 | 1553.125 | 1292.846 | 1107.879 | 430.479 | 236.573 | |
RT Association Words | 967.458 | 1235.125 | 4052.500 | 1828.125 | 1732.646 | 1495.682 | 865.019 | 243.808 | |
RT Item Pictures | 844.292 | 815.042 | 1414.000 | 1383.292 | 1144.313 | 1032.056 | 177.271 | 190.567 | |
RT Association Pictures | 1144.534 | 1204.641 | 1700.500 | 1771.875 | 1435.595 | 1453.271 | 172.770 | 181.485 | |
Fractional Anisotropy (FA) | Anterior CC | .492 | .497 | .583 | .569 | .541 | .548 | .028 | .021 |
Mid-Anterior CC | .489 | .445 | .598 | .583 | .531 | .541 | .032 | .035 | |
Central CC | .518 | .491 | .612 | .598 | .561 | .565 | .027 | .028 | |
Mid-Posterior CC | .513 | .515 | .601 | .604 | .561 | .567 | .023 | .023 | |
Posterior CC | .509 | .521 | .646 | .630 | .583 | .581 | .034 | .036 | |
Total CC | .526 | .518 | .519 | .581 | .555 | .560 | .021 | .021 |
Note. ADI = associative deficit index; CON. = control subjects; RT = Reaction-time (milliseconds); FA = Fractional-anisotropy; CC = Corpus-Callosum; n PTSD = 16, n controls = 14.