Article

Quality of diabetes care in family medicine practices: influence of nurse-practitioners and physician's assistants.

Department of Biostatistics, UMDNJ-School of Public Health, Piscataway, New Jersey 08854, USA.
The Annals of Family Medicine (Impact Factor: 4.61). 6(1):14-22. DOI: 10.1370/afm.758
Source: PubMed

ABSTRACT The aim of this study was to assess whether the quality of diabetes care differs among practices employing nurse-practitioners (NPs), physician's assistants (PAs), or neither, and which practice attributes contribute to any differences in care.
This cross-sectional study of 46 family medicine practices from New Jersey and Pennsylvania measured adherence to American Diabetes Association diabetes guidelines via chart audits of 846 patients with diabetes. Practice characteristics were identified by staff surveys. Hierarchical models determined differences between practices with and without NPs or PAs.
Compared with practices employing PAs, practices employing NPs were more likely to measure hemoglobin A(1c) levels (66% vs 33%), lipid levels (80% vs 58%), and urinary microalbumin levels (32% vs 6%); to have treated for high lipid levels (77% vs 56%); and to have patients attain lipid targets (54% vs 37%) (P <or= .005 for each). Practices with NPs were more likely than physician-only practices to assess hemoglobin A(1c) levels (66% vs 49%) and lipid levels (80% vs 68%) (P<or=.007 for each). These effects could not be attributed to use of diabetes registries, health risk assessments, nurses for counseling, or patient reminder systems. Practices with either PAs or NPs were perceived as busier (P=.03) and had larger total staff (P <.001) than physician-only practices.
Family practices employing NPs performed better than those with physicians only and those employing PAs, especially with regard to diabetes process measures. The reasons for these differences are not clear.

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May 22, 2014