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

Fig. 2

From: Psychometric validation of the Pyruvate Kinase Deficiency Diary and Pyruvate Kinase Deficiency Impact Assessment in adults in the phase 3 ACTIVATE trial

Fig. 2

Inter-item Spearman correlation matrices for PKDD (a, b) and PKDIA (c, d) items at baseline. For the PKDD, the scoring values for Items 6 and 7 were inverted for consistency, to ensure that higher scores represented greater disease burden for all items. PKDD Pyruvate Kinase Deficiency Diary, PKDIA Pyruvate Kinase Deficiency Impact Assessment

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