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Table 4 Median percentage** of times participants correctly comprehended key aspects of scientific evidence during pilot testing (handbook development Stage 2, Phase 2)

From: Development of a decision aid to inform patients’ and families’ renal replacement therapy selection decisions

Key aspects of scientific evidence* Iteration 20 Iteration 21
(n=24) (n=12)
Topic 100% [22%–100%] 100% [0%–100%]
Treatment Modality 100% [33%–100%] 100% [29%–100%]
Direction of Difference 89% [22%–100%] 86% [14%–100%]
Magnitude of Difference 71% [0%–100%] 100% [0%–100%]
Research Quality 56% [0%–100%] 100% [0%–100%]
Total: All Items 78% [16%–100%] 91% [9%–100%]
  1. *Correct identification of five key items shown as a median percentage. followed by the respective range.
  2. **Ranges in the table represent [minimum-maximum] values.