Risk-adjusted models for adverse obstetric outcomes and variation in risk-adjusted outcomes across hospitals

Jennifer L. Bailit^*, William A. Grobman, Madeline Murguia Rice, Catherine Y. Spong, Ronald J. Wapner, Michael W. Varner, John M. Thorp, Kenneth J. Leveno, Steve N. Caritis, Phillip J. Shubert, Alan T. Tita, George Saade, Yoram Sorokin, Dwight J. Rouse, Sean C. Blackwell, Jorge E. Tolosa, J. Peter Van Dorsten