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Table 1 Summary of results from the system usability, acceptability, and preparation for decision-making scales used

From: Development and usability testing of a patient decision aid for newly diagnosed relapsing multiple sclerosis patients

Scale N = 18
System Usability Scale
 Mean (SD) 80.6 (13.7)
 Above average usability, n (%) 17 (94%)
Acceptability Scale
 Amount of information: About right, n (%) 13 (72%)
 Balanced presentation of information: Completely balanced, n (%) 12 (67%)
 PtDA fits patients’ discussions with the physician, nurse, or pharmacist: As it is or with some alteration, n (%) 16 (89%)
 Icons were readable, n (%) 18 (100%)
 Words in the PtDA made sense, n (%) 18 (100%)
 Willing to use PtDA/tell someone about it, n (%) 18 (100%)
Preparation for Decision Making Scale
 Mean (SD) 76.8 (15.3)
 Range (0–100) 50 to 100
  1. SD Standard Deviation, PtDA Patient Decision Aid