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Table 2 Items generated across four sources of content development (Phase 1)

From: The development of a glaucoma-specific health-related quality of life item bank supporting a novel computerized adaptive testing system in Asia

Source of content development

Number of novel items generated

Qualitative (n = 4) & review articles (n = 4)

77

Validated patient reported outcome measures (n = 11)

44

Qualitative sessions with patients (n = 27 patients)

158

Qualitative sessions with experts (n = 4 experts)

32

Total

311