Posttraumatic Headache More Common When Injury Is Mild

Also, in both groups, patients who had a prior history of headache and female patients were more likely to have headache at follow-up. For example, in the mild TBI group, about 70% of patients who had preexisting headache had headache at all time points during follow-up, compared with about 50% of patients who did not have preexisting headache.

Dr. Lucas disclosed no relevant conflicts of interest.