Table 4.
Paired t Tests Between PCS Patients and Other Brain Injury Patients
| PCS vs MBI | PCS vs TBI-1 | PCS vs TBI-2 | ||||
|---|---|---|---|---|---|---|
| t | P < | t | P < | t | P < | |
| NEUROCOGNITION INDEX ss | −2.39 | .0253 | 2.42 | .017499 | 4.86 | .0000 |
| MEMORY ss | −0.71 | .4880 | 1.66 | .1011 | 3.19 | .0034 |
| PSYCHOMOTOR SPEED ss | −2.66 | .0141 | 2.56 | .012143 | 6.07 | .0000 |
| REACTION TIME ss | −2.07 | .0491 | 1.49 | .139726 | 1.18 | .2474 |
| COGNITIVE FLEXIBILITY ss | −2.05 | .0512 | 2.86 | .00537 | 5.01 | .0000 |
| COMPLEX ATTENTION ss | −2.43 | .0232 | 2.79 | .006662 | 4.52 | .0001 |
PCS = patients with postconcussion syndrome; MBI = mild brain injury; TBI-1 = severe traumatic brain injury; TBI-2 = severe, disabling traumatic brain injury; ss = subjects