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Table 1 Usability ranges of the SUS according to Bangor [41]

From: Evaluation of a clinical decision support system for rare diseases: a qualitative study

SUS score (range) Ranking
84.1–100.0 Best imaginable
80.8–84.0 Excellent
71.1–80.7 Good
51.7–71.0 OK
25.1–51.6 Poor
0.0–25.0 Worst imaginable
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