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Table 3 Mean quality of life a day with migraine and a day without migraine

From: Burden and costs of migraine in a Swedish defined patient population – a questionnaire-based study

  Day without migraine Day with migraine Difference p-valuec
EQ-5D
 All 0.786 (0.219) 0.422 (0.337) 0.364 (0.318) < 0.001
N = 630 N = 630   
 Observablea 0.790 (0.190) 0.619 (0.229) 0.171 < 0.001
N = 454 N = 176   
 Retrospectiveb 0.775 (0.253) 0.346 (0.341) 0.429 < 0.001
N = 176 N = 454   
EQ-VAS
 All 0.671 (0.209) 0.394 (0.210) 0.276 (0.248) < 0.001
N = 630 N = 630   
 Observable a 0.677 (0.189) 0.496 (0.215) 0.181 < 0.001
N = 454 N = 176   
 Retrospective b 0.655 (0.253) 0.355 (0.240) 0.300 < 0.001
N = 176 N = 454   
  1. aDay without migraine = Respondents reporting not having migraine when completing the questionnaire. Day with migraine = Respondents reporting having migraine when completing questionnaire
  2. bDay without migraine = Respondents reporting having migraine when completing questionnaire, asked to report for last day without migraine. Day with migraine = Respondents reporting not having migraine when completing the questionnaire, asked to report for last day with migraine
  3. cT-test
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