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Table 2 Respondent feedback for items in instrument versions 1–3

From: Establishing content-validity of a disease-specific health-related quality of life instrument for patients with chronic hypersensitivity pneumonitis

  1. Key-- This table indicates the number of items that respondents had difficulty with in each version of the instrument, and what type of difficulty. Columns are split by items in which only one respondent had difficulty vs items where more than one respondent had difficulty