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N Engl J Med. 2009 Mar 12;360(11):1102-12. doi: 10.1056/NEJMsa0802381.

Growth in the care of older patients by hospitalists in the United States.

Author information

  • 1Department of Internal Medicine and the Sealy Center on Aging, University of Texas Medical Branch, Galveston 77555-0460, USA. yokuo@utmb.edu

Abstract

BACKGROUND:

National and population-based information on the increase in patient care by hospitalists in the United States is lacking.

METHODS:

Using a 5% sample of Medicare beneficiaries in 1995, 1997, 1999, and the period from 2001 through 2006, we identified 120,226 physicians in general internal medicine who were providing care to older patients in 5800 U.S. hospitals. We defined hospitalists as general internists who derived 90% or more of their Medicare claims for evaluation-and-management services from the care of hospitalized patients. We then calculated the percentage of all inpatient Medicare services provided by hospitalists and identified patient and hospital characteristics associated with the receipt of hospitalist services.

RESULTS:

The percentage of physicians in general internal medicine who were identified as hospitalists increased from 5.9% in 1995 to 19.0% in 2006, and the percentage of all claims for inpatient evaluation-and-management services by general internists that were attributed to hospitalists increased from 9.1% to 37.1% during this same period. Accompanying the increase in care by hospitalists was an increase in the percentage of all hospitalized Medicare patients who were treated by general internists (both hospitalists and traditional, non-hospital-based general internists), from 46.4% in 1995 to 61.0% in 2006. In a multilevel, multivariable analysis controlling for patient and hospital characteristics, the odds of receiving care from a hospitalist increased by 29.2% per year from 1997 through 2006. In 2006, there was marked geographic variation in the rates of care provided by hospitalists, with rates of more than 70% in some hospital-referral regions.

CONCLUSIONS:

These analyses of data from Medicare claims showed a substantial increase in the care of hospitalized patients by hospitalist physicians from 1995 to 2006.

2009 Massachusetts Medical Society

Comment in

PMID:
19279342
[PubMed - indexed for MEDLINE]
PMCID:
PMC2977939
Free PMC Article

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