Study objectives: Information on current practices of COPD diagnosis and tr
eatment is needed to identify opportunities for improving care. This study
describes the clinical characteristics and diagnostic evaluations of COPD p
atients in a health maintenance organization (HMO) and a university-affilia
ted county medical center (UMC).
Design: Cross-sectional survey performed in a 174,484-member regional HMO a
nd in The University of New Mexico Hospitals and Clinics (UNMH).
Patients: Two hundred COPD patients from each system randomly selected from
administrative databases based on discharge diagnoses.
Results: COPD patients in the UMC, compared to those in the HMO, were young
er (mean age, 59.3 vs 66.9 years, respectively), were more likely to be usi
ng home oxygen (33% vs 20%, respectively), and had fewer chronic medical co
nditions (mean number of conditions, 3.1 vs 3.7, respectively) (p < 0.01 fo
r all differences). Approximately half of the COPD patients in both groups
continued to smoke cigarettes during the study year. Only 38% of patients i
n the HMO and 42% in the UNMH system had spirometry results documented in t
heir medical records.
Conclusions: The demographic and clinical characteristics of the COPD patie
nts in these two health-care systems were very different, but smoking statu
s and utilization of diagnostic tests were similar. The diagnosis of COPD i
n most patients was based only on a history of chronic respiratory symptoms
and smoking; spirometry often tvas not used to confirm the diagnosis, An i
ncreased emphasis on smoking cessation and more effective utilization of sp
irometry are needed to improve the management of COPD in these health-care
systems.