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Table 2 Electronic activity questionnaire usability results

From: Significant discrepancies exist between clinician assessment and patient self-assessment of functional capacity by validated scoring tools during preoperative evaluation

  DASI PROMIS
  n (%) n (%)
Independent completion 192 (94.6) 192 (94.6)
Easy to understand 187 (93.5) 186 (93.0)
Easy to complete 187 (93.5) 188 (94.0)
Which was easier to complete? 139 (68.1) 64 (31.5)
  Mean ± SD Mean ± SD
Completion time (min:s) 01:55 ± 02:08 02:29 ± 1:42
  1. This table displays the results of the responses to survey questions regarding the usability of the two activity questionnaires employed for patient self-triage of functional capacity, the Duke Activity Status Index (DASI), and the Patient-Reported Outcomes Measurement System (PROMIS)–Short Form 12a–Physical Function. The majority of study participants found these questionnaires easy to understand and easy to complete using a first generation iPad. The average time to complete both surveys was less than 3 min
  2. SD standard deviation