Table 1.

Summary of participants’ visual analogue scores for symptoms one month after incident compared with before incident (scored −5 for major deterioration, 0 for no change, and +5 for major improvement) and at time of studies (“now”) compared with before incident scored as at one month questionnaire. Negative scores bad; positive scores good

Measure	One month after	Now	Change
Memory	−2.75 (0.3)	−3.42 (0.2)	−0.67 (0.3)
Concentration	−3.05 (0.2)	−3.68 (0.2)	−0.64 (0.3)
Overall score	−2.23 (0.2)	−2.13 (0.1)	0.10 (0.2)