Fig. 1From: Burden and costs of migraine in a Swedish defined patient population – a questionnaire-based studySimplified illustration of QALY loss related to migraine (QoLpop = QoL for the general population; QoLm = QoL at a day without a migraine episode; QoLme = QoL at a day with a migraine episode; Teh = time with migraine episode in terms of hours)Back to article page