Table 3.
Proportion of scores equal to or exceeding one standard deviation on objective and subjective measures.
| Full mTBI Sample (N = 35) |
mTBI + PTSD a
(n = 18) |
mTBI + no PTSD a
(n = 17) |
||
|---|---|---|---|---|
| Objective Working Memory | n (%) | n (%) | n (%) | |
| WAIS-IV WMI | ||||
| Low | 0 (0%) | 0 (0%) | 0 (0%) | |
| Normal | 5 (14%) | 4 (22%) | 1 (6%) | |
| High | 30 (86%) | 14 (78%) | 16 (94%) | |
| Subjective Working Memory | ||||
| BRIEF WMI | ||||
| Low | 3 (9%) | 0 (0%) | 3 (18%) | |
| Normal | 8 (23%) | 0 (0%) | 8 (47%) | |
| High | 24 (69%) | 18 (100%) | 6 (35%) |
Abbreviations: mTBI, mild traumatic brain injury; PTSD, post-traumatic stress disorder; WAIS-IV WMI, Weschler Adult Intelligence Scale—Fourth Edition, Working Memory Inventory; BRIEF WMI, Behavioral Rating Inventory of Executive Functioning, Working Memory Inventory. a Categorized based on PCL-M total scores: Minimal PTSD (PCL-M score of 0–44); severe PTSD (PCL-M score of 45 and above).