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Journal of Patient-Reported Outcomes
Fig. 3 | Journal of Patient-Reported Outcomes

Fig. 3

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

Fig. 3

Youden’s index for WPAI domain scores improvement at Month 3 for selected anchors (CM). WPAI scores are presented as % unit. CM chronic 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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