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Patient-validated content of epilepsy-specific quality-of-life measurement
F Gilliam1, R Kuzniecky, E Faught
1UAB Epilepsy Center, Department of Neurology, University of Alabama at Birmingham 35294, USA.
Purpose:
To study the effects of epilepsy from the patients' perspective and assist determination of content validity of health-related quality-of-life (HRQOL) measures.
Methods:
We asked 81 consecutive patients with moderately severe epilepsy to list in order of importance their concerns of living with recurrent seizures. To minimize investigator bias, patients completed the procedure in a private setting without staff involvement.
Results:
Twenty-four distinct domains were generated by the patients. Concerns about driving (64%), independence (54%), employment (51%), social embarrassment (36%), medication dependence (33%), mood/stress (32%), and safety (31%) each were listed by > 30% of patients. Driving was listed as the most important concern by 28% of patients, followed by employment (21%), independence (9%), safety (6%), antiepileptic-drug side effects (5%), seizure unpredictability (5%), and seizure aversion (5%).
Conclusions:
The effect of epilepsy on HRQOL is not vague or obscure from the patients' perspective but is defined by a limited number of domains. Independence is an important concern that may not be evaluated adequately by currently available HRQOL instruments.