Between group comparisons of measures of premorbid and current intellectual functioning and psychological distress controlling for the effects of years education, sex, and depression (mean adjusted scores)
| Healthy controls | Head injury | Orthopaedic controls | Statistic | p Value | |
|---|---|---|---|---|---|
| Premorbid measures: | |||||
| Overall | 0.0454 | p=0.689 NS | |||
| MANOVA | |||||
| NART errors | 22.21 | 24.17 | 22.14 | 0.4356 | 0.648 NS |
| CCRT errors | 18.98 | 19.53 | 18.64 | 0.0816 | 0.922 NS |
| STW errors | 12.32 | 12.49 | 11.92 | 0.0651 | 0.937 NS |
| Current measures: | |||||
| Overall | 2.50 | 0=0.005 | |||
| MANOVA | |||||
| WAIS-R: | |||||
| FSIQ | 107.49 | 94.70 | 104.88 | 10.70 | <0.0001 |
| VIQ | 101.66 | 92.50 | 100.25 | 6.86 | 0.002 |
| PIQ | 108.02 | 96.73 | 105.34 | 6.74 | 0.002 |
| MMSE | 29.08 | 28.17 | 29.07 | 3.87 | 0.024 |
| Verbal fluency | 43.23 | 32.15 | 40.68 | 8.21 | 0.001 |
| Stroop | 104.97 | 93.48 | 100.88 | 5.37 | 0.006 |