The teaching service had more favorable outcomes compared to nonteaching services in patients hospitalized for AECOPD. The physician practice model has a major impact on the cost, LOS, and use of consults in patients with AECOPD.

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The teaching service had decreased LOS compared with the nonteaching service in patients hospitalized for AECOPD. The observed difference was completely explained by differences in practice patterns between the 2 groups. The study identifies an opportunity for more efficient and cost-effective care of AECOPD patients through streamlining of consultations, use of oral steroids in lieu of IV steroids, and antibiotic stewardship.