{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T09:03:10Z","timestamp":1775120590100,"version":"3.50.1"},"reference-count":36,"publisher":"Georg Thieme Verlag KG","issue":"01","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Appl Clin Inform"],"published-print":{"date-parts":[[2016,1]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>While studies have shown that usability evaluation could uncover many design problems of health information systems, the usability of health information systems in developing countries using their native language is poorly studied. The objective of this study was to evaluate the usability of a nationwide inpatient information system used in many academic hospitals in Iran.<\/jats:p><jats:p>Three trained usability evaluators independently evaluated the system using Nielsen\u2019s 10 usability heuristics. The evaluators combined identified problems in a single list and independently rated the severity of the problems. We statistically compared the number and severity of problems identified by HIS experienced and non-experienced evaluators.<\/jats:p><jats:p>A total of 158 usability problems were identified. After removing duplications 99 unique problems were left. The highest mismatch with usability principles was related to \u201cConsistency and standards\u201d heuristic (25%) and the lowest related to \u201cFlexibility and efficiency of use\u201d (4%). The average severity of problems ranged from 2.4 (Major problem) to 3.3 (Catastrophe problem). The experienced evaluator with HIS identified significantly more problems and gave higher severities to problems (p&lt;0.02).<\/jats:p><jats:p>Heuristic Evaluation identified a high number of usability problems in a widely used inpatient information system in many academic hospitals. These problems, if remain unsolved, may waste users\u2019 and patients\u2019 time, increase errors and finally threaten patient\u2019s safety. Many of them can be fixed with simple redesign solutions such as using clear labels and better layouts. This study suggests conducting further studies to confirm the findings concerning effect of evaluator experience on the results of Heuristic Evaluation.<\/jats:p>","DOI":"10.4338\/aci-2015-07-ra-0086","type":"journal-article","created":{"date-parts":[[2016,2,17]],"date-time":"2016-02-17T06:51:50Z","timestamp":1455691910000},"page":"89-100","source":"Crossref","is-referenced-by-count":41,"title":["User Interface Problems of a Nationwide Inpatient Information System: A Heuristic Evaluation"],"prefix":"10.4338","volume":"07","author":[{"given":"Alireza","family":"Atashi","sequence":"first","affiliation":[]},{"given":"Amirabbas","family":"Azizi","sequence":"first","affiliation":[]},{"given":"Ali","family":"Dadashi","sequence":"first","affiliation":[]},{"given":"Reza","family":"Khajouei","sequence":"additional","affiliation":[]}],"member":"194","published-online":{"date-parts":[[2017,12,16]]},"reference":[{"key":"10.4338\/ACI-2015-07-RA-0086-1","doi-asserted-by":"publisher","DOI":"10.2147\/RMHP.S12985"},{"key":"10.4338\/ACI-2015-07-RA-0086-2","doi-asserted-by":"publisher","DOI":"10.1016\/j.eswa.2011.07.129"},{"key":"10.4338\/ACI-2015-07-RA-0086-3","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijmedinf.2015.02.002"},{"issue":"1","key":"10.4338\/ACI-2015-07-RA-0086-4","doi-asserted-by":"crossref","first-page":"3","DOI":"10.3414\/ME0630","volume":"49","author":"Khajouei","year":"2010","journal-title":"Methods of information in medicine"},{"key":"10.4338\/ACI-2015-07-RA-0086-5","unstructured":"H R. 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