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Journal of Patient-Reported Outcomes
Fig. 2 | Journal of Patient-Reported Outcomes

Fig. 2

From: Validation and meaningful within-patient change in work productivity and activity impairment questionnaire (WPAI) for episodic or chronic migraine

Fig. 2

Youden’s index for WPAI domain scores improvement at Month 3 for selected anchors (EM). WPAI scores are presented as % unit. Abbreviations: EM episodic migraine, MHD monthly migraine headache days, MSQ Migraine-Specific Quality of Life questionnaire, RFP Role Function-Preventive, RFR Role Function-Restrictive, WPAI Work Productivity and Activity Impairment questionnaire, YI Youden index

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