C.S. Mott Women and Children's Hospital is part of the University of Michigan Ann Arbor Health System, one of the organizations Medicare is penalizing for its high readmission rate.
Republican presidential candidate Mitt Romney (right) and running mate Rep. Paul Ryan of Wisconsin greet supporters during a homecoming campaign rally Sunday in Waukesha, Wis.
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Beth Israel Deaconess Medical Center has higher rates of readmissions for Medicare patients for some conditions. But its mortality rates for the same conditions is lower than at many hospitals.
Beth Israel Deaconess Medical Center