Table 3

Frequency distributions of the NRS-R items at 6 months postinjury

Rating (% at each level)
AbsentMildModerateSevere
I Executive/cognition:
 Difficulty in planning34.330.526.78.6
 Difficulty in mental flexibility34.334.323.87.6
 Memory difficulties29.533.328.19.0
 Disorientation62.96.210.520.5
 Decreased initiative or motivation53.825.715.25.2
 Self appraisal difficulties36.732.419.011.9
 Conceptual disorganisation22.448.126.72.9
 Difficulties in oral comprehension69.528.11.90.5
II Positive symptoms:
 Unusual thought content86.212.41.00.5
 Disinhibition81.912.94.31.0
 Hyperactivity/agitation87.111.41.00.5
 Lability of mood74.321.93.30.5
 Excitement82.912.93.80.5
 Suspiciousness91.97.11.00.0
 Hostility88.19.02.40.5
III Negative symptoms:
 Emotional withdrawal70.525.73.30.5
 Hostility88.19.02.40.5
 Blunted affect70.522.46.21.0
 Exaggerated somatic concern92.96.20.50.5
IV Mood/affect:
 Depressive mood49.034.815.70.5
 Anxiety53.336.710.00.0
 Irritability52.937.18.11.9
 Lability of mood74.321.93.30.5
 Mental fatigability70.021.46.71.9
V Oral/motor:
 Difficulties in articulation79.013.36.71.0
 Motor slowing64.321.410.53.8
 Difficulties in oral expression67.127.15.70.0
 Mental fatigability70.021.46.71.9
Items not loading on any factor:
 Attention53.831.412.91.9
 Reduced alertness79.520.50.00.0
 Guilt70.528.61.00.0
 Hallucinations91.97.11.00.0