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Figure 2 | BMC Gastroenterology

Figure 2

From: Development of a validated patient-reported symptom metric for pediatric Eosinophilic Esophagitis: qualitative methods

Figure 2

From the PEESS v1.0 to the validated PEESS™ v 2.0. The instrument layout and overall design went through several iterative drafts based on patient and parent-proxy feedback through focus interviews and separate cognitive interviews. For example, participants favored presenting frequency and severity of particular items side by side rather than on two separate pages.

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