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International Journal for Quality in Health Care 14:127-137 (2002)
© 2002 International Society for Quality in Health Care

Availability and usability of data for medical practice assessment

H. PRINS1, F.H. KRUISINGA2, H. A. BÜLLER3 and J. H. M. ZWETSLOOT-SCHONK4

1Department of Medical Informatics
2Department of Pediatrics, Academic Medical Center, Amsterdam
3Department of Pediatrics, Sophia Children’s Hospital, Rotterdam
4Department of Clinical Informatics, Leiden University Medical Center, RC Leiden, The Netherlands

Objective. We analyzed availability and usability of the electronic patient data required for assessment of medical practice for a specific patient group.

Design. Case study in which physicians defined performance indicators and additional exploratory information. Data availability in the hospital information system was determined. Data usability was evaluated based on reason for recording, administrative procedures, and comparison with paper data.

Setting. A 155 bed pediatric department in a public academic medical center.

Study participants. Pediatricians and children with suspected meningitis.

Main outcome measures. Availability and usability of electronic patient data. Usability criteria were standardization, completeness, and accuracy.

Results. A total of 14 performance indicators were defined. Of 39 data items required for indicator quantification, 29 were available, and 19 were usable without manual handling. Completeness and accuracy of the registration of reason for admission and discharge diagnoses were insufficient, leading to problematic patient selection and complication detection. Time-points of patient events were inaccurate or not available. Data regarding outpatient diagnosis, signs and symptoms, indications for test ordering, and medication administration were missing. Test result reports were not adequately standardized. Based on electronic patient data, five out of 14 performance indicators could be quantified reliably, but only after patient selection problems were overcome. For exploratory information, 16 out of 25 required data items were available and 13 were usable.

Conclusions. Availability and usability of electronic patient data are insufficient for physician-led and detailed assessment of medical practice for specific patient groups. Extended registration of the reason for admission will improve patient selection and assessment of diagnostic process.

Keywords: data collection, data quality, hospital information, meningitis, outcome measurement, pediatrics system, process measurement


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