Open Access Research article

Risk adjustment for cesarean delivery rates: how many variables do we need? An observational study using administrative databases

Elisa Stivanello*, Paola Rucci, Elisa Carretta, Giulia Pieri and Maria P Fantini

Author Affiliations

Department of Medicine and Public Health, University of Bologna, via San Giacomo 12, Bologna, 40126, Italy

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BMC Health Services Research 2013, 13:13  doi:10.1186/1472-6963-13-13

Published: 10 January 2013

Additional files

Additional file 1:

Variables of the four models and source of information.

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Additional file 2:

Frequency of demographic and clinical characteristics and adjusted odds ratios (aOR) and 95% confidence intervals (CI) of cesarean delivery obtained with the four models.

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