Document Type
Article
Publication Date
2-21-2013
Publication Title
BMJ (Clinical Research Edition)
Abstract
Objective: To determine the bias associated with frequency of visits by physicians in adjusting for illness, using diagnoses recorded in administrative databases.
Setting: Claims data from the US Medicare program for services provided in 2007 among 306 US hospital referral regions.
Design: Cross sectional analysis. Participants 20% sample of fee for service Medicare beneficiaries residing in the United States in 2007 (n=5 153 877).
DOI
10.1136/bmj.f549
Recommended Citation
Wennberg, J. E.; Staiger, D. O.; Sharp, S. M.; and Gottlieb, D. J., "Observational Intensity Bias Associated with Illness Adjustment: Cross Sectional Analysis of Insurance Claims" (2013). Open Dartmouth: Faculty Open Access Articles. 672.
https://digitalcommons.dartmouth.edu/facoa/672