Research Article
Predictors of Memory and Processing Speed Dysfunctions after Traumatic Brain Injury
Table 1
Demographic and clinical characteristics of study participants.
| | Total sample () | Mild TBI () | Moderate TBI () | Severe TBI () |
| Age (years) | | | | | Male (%) | 24 (80.0) | 6 (85.7) | 7 (77.8) | 11 (78.6) | Education (years) | | | | | MMSE scores during the study | | | | | GCS score at admission | | | | | Time from injury to cognitive testing, mo | | | | | Duration of unconsciousness | | | | | <8 days | 20 (66.7) | 7 (100) | 7 (77.8) | 6 (42.9) | >7 days | 13 (33.3) | 0 (0) | 2 (22.2) | 8 (57.1) | Presence of emergent craniotomy (%) | 17 (56.7) | 0 (0) | 5 (55.6) | 12 (85.7) | Loss of consciousness (%) | 27 (90.0) | 5 (71.4) | 9 (100) | 13 (92.9) | Side of brain damage (%) | | | | | Right brain | 15 (50.0) | 4 (57.1) | 5 (55.6) | 6 (42.9) | Left brain | 11 (36.7) | 1 (14.3) | 3 (33.1) | 7 (50.0) | Bilateral | 4 (13.3) | 2 (28.6) | 1 (11.1) | 1 (7.1) | Types of brain injury (%) | | | | | Closed head injury | 21 (70.0) | 7 (100) | 5 (55.6) | 9 (64.3) | Open head injury | 9 (30.0) | 0 (0) | 4 (44.4) | 5 (35.7) | Hemorrhagic locations | | | | | Intracerebral | 3 (10.0) | 1 (14.3) | 0 (0) | 2 (14.3) | Subarachnoid | 7 (23.3) | 4 (57.1) | 3 (33.3) | 0 (0) | Epidural | 2 (6.7) | 0 (0) | 0 (0) | 2 (14.3) | Subdural | 5 (16.7) | 0 (0) | 1 (11.1) | 4 (28.6) | Multiple sites | 13 (43.3) | 2 (28.6) | 5 (55.6) | 6 (42.9) | Presence of countercoup lesion (%) | 16 (53.3) | 3 (42.9) | 6 (66.7) | 7 (50.0) |
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GCS: Glasgow Coma Scale; MMSE: Mini-Mental State Examination; TBI: traumatic brain injury.
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