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Assessment of Decision Support for Blood Test Ordering in Primary Care: A Randomized Trial

Marc A.M. van Wijk, MD, PhD; Johan van der Lei, MD, PhD; Mees Mosseveld, MSc; Arthur M. Bohnen, MD, PhD; and Jan H. van Bemmel, PhD
[+] Article and Author Information

From Institute of Medical Informatics and Institute of Primary Care Medicine, Faculty of Medicine and Health Sciences, Erasmus University Rotterdam, Rotterdam, the Netherlands.


Acknowledgments:The authors thank the general practitioners who participated in the study: J.M. Baks, R.D.W. van Bentveld, Y.J. Bezuijen, J.P. Bijl, P. de Blooy, C.M.J. Bonekamp, G.O. Boonstra, H. Breedveldt Boer, J. Breugem, J.A. Brienen, P.J.A. Bucx, H.B.F. Derksen, W. van Donselaar, E. Driever, R.H. Dupuis, P. van der Endt, J.A.J. Garretsen, R. Glotzbach, R.J. de Haan, H. Harmans, M. Human-Breedveld, C. Jansen, C.H.F. Jonker, M. Jonquiere, P.E. Kalsbeek, W. Kamermans, L.E.M. Kleipool, A.M.A. van der Knaap, S.J. Kool, M.I.Th. Koopmans, P.C.J.M. Kop, E.H.M. Lange, S. Laverman, S.J. Lindenhout, M. Luitse, D. Maring, S. van der Meer, P.J.Th.M. Meijs, J.E.G. Nieuwkamer, J.B.M. Nijkamp, J. Oosthoek, M.A. Plasmans, L. Redel, A.R.N. van Rijckevorsel, F.J.N. Rijkee, W.F. Sandhövel, P.P.M. Schijen, F. Schreuder, H.S. Spijker, M. Steentjes, R. van Stijn, E.P.L.A. Timmermans, F.C.M. Touw, P.S.W. Verheyden, P.D. Visser, H.W. Visser, H.J.P. Vos, C. van der Weg, W. Wierema.

Grant Support:By Ziektekostenverzekering Delft Schieland Westland, Institüt Ziektekostenverzekering Ambtenaren, and the European Commission Fourth Framework Health Telematics Programme (project PROMPT [Protocols for Medical Procedures and Therapies]).

Requests for Single Reprints:Marc A.M. van Wijk, MD, PhD, Institute of Medical Informatics, Faculty of Medicine and Health Sciences, Erasmus University Rotterdam, PO Box 1738, 3000 DR Rotterdam, the Netherlands; e-mail, wijk@mi.fgg.eur.nl.

Current Author Addresses:Drs. van Wijk, van der Lei, and van Bemmel and Mr. Mosseveld: Department of Medical Informatics, Faculty of Medicine and Health Sciences, Erasmus University Rotterdam, PO Box 1738, 3000 DR Rotterdam, the Netherlands.

Dr. Bohnen: Department of Primary Care Medicine, Faculty of Medicine and Health Sciences, Erasmus University Rotterdam, PO Box 1738, 3000 DR Rotterdam, the Netherlands.

Author Contributions:Conception and design: M.A.M. van Wijk, A.M. Bohnen, J.H. van Bemmel.

Analysis and interpretation of the data: M.A.M. van Wijk, J. van der Lei, A.M. Bohnen.

Drafting of the article: M.A.M. van Wijk, J. van der Lei.

Critical revision of the article for important intellectual content: M.A.M. van Wijk, J. van der Lei, A.M. Bohnen.

Final approval of the article: J. van der Lei, A.M. Bohnen.

Statistical expertise: J. van der Lei.

Administrative, technical, or logistic support: M. Mosseveld.

Collection and assembly of data: M.A.M. van Wijk, M. Mosseveld.


Ann Intern Med. 2001;134(4):274-281. doi:10.7326/0003-4819-134-4-200102200-00010
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The majority of general practitioners in the Netherlands have replaced traditional paper-based patient records with computer-based records; physicians enter patient data themselves in the computer during patient encounters (1). The use of electronic patient records creates new opportunities to influence physician behavior through implementation of decision support systems (27). In recent years, researchers have documented various computer-based decision support systems that have influenced physician behavior (817). Other investigators, however, have reported that computer-based decision support has not affected patient care (18). To resolve the issue, investigators have compared the results of studies that were conducted in different settings, used different methods, and involved different populations (19). Studies comparing different methods of providing computer-based decision support in randomized trials are not available.

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Summary for Patients

Computer Systems To Help with Ordering Blood Tests in Primary Care

The summary below is from the full report titled “Assessment of Decision Support for Blood Test Ordering in Primary Care. A Randomized Trial.” It is in the 20 February 2001 issue of Annals of Internal Medicine(volume 134, pp 274-281). The authors are MAM van Wijk, J van der Lei, M Mosseveld, AM Bohnen, and JH van Bemmel.

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