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Annals of Family Medicine 3:215-222 (2005)
© 2005 Annals of Family Medicine, Inc.
doi: 10.1370/afm.307
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Comorbidity and the Use of Primary Care and Specialist Care in the Elderly

Barbara Starfield, MD, MPH, FRCGP1, Klaus W. Lemke, PhD1, Robert Herbert, BS1, Wendy D. Pavlovich, MHS2 and Gerard Anderson, PhD1

1 Department of Health Policy and Management, Johns Hopkins School of Public Health, Baltimore, Md
2 School of Medicine, Tufts University, Boston, Mass



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  		Figure 1. Average number of primary care and specialist physician visits for patients with 179 conditions, each considered as the main condition in adults aged 65 years and older, by morbidity burden.

Note: All 179 conditions were weighted to take into account differences in their prevalences.

* Per patient per year.

{dagger} P < .05, using a paired t test.

{ddagger} P < .01, using a paired t test.

 


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  		Figure 2. Average number of primary care and specialist physician visits for patients for comorbid conditions, in adults aged 65 years and older, by morbidity burden.

Note: Conditions were weighted to take into account differences in their prevalences.

* Per patient per year.

{dagger} P < .0001, using a paired t test whereby diagnoses are weighted by the number of patients.

 




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