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Large significant increases (>10% change) in cognitive indices proportions across traumatic brain injury (TBI) groups
| Total | Mild TBI | Moderate TBI | Severe TBI | P values | |
| General | 36 (23.4%) | 15 (21.7%) | 7 (29.2%) | 14 (23.0%) | =0.756 |
| Memory | 64 (41.6%) | 28 (40.6%) | 9 (37.5%) | 27 (44.3%) | =0.830 |
| Executive functions | 51 (33.1%) | 23 (33.3%) | 7 (29.2%) | 21 (34.9%) | =0.897 |
| Attention | 62 (40.3%) | 27 (39.1%) | 8 (33.3%) | 27 (44.3%) | =0.631 |
| Information processing speed | 48 (31.2%) | 23 (33.3%) | 12 (50%) | 13 (21.3%) | =0.032 |
