Comparing methods to calculate hospital-specific rates of early death or urgent readmission

From the Faculty of Medicine (van Walraven, Forster), University of Ottawa; the Clinical Epidemiology Program (van Walraven, Wong, Hawken, Forster), Ottawa Hospital Research Institute, Ottawa, Ont.; and the Institute for Clinical Evaluative Sciences (van Walraven, Wong, Hawken, Forster), Toronto, Ont.

From the Faculty of Medicine (van Walraven, Forster), University of Ottawa; the Clinical Epidemiology Program (van Walraven, Wong, Hawken, Forster), Ottawa Hospital Research Institute, Ottawa, Ont.; and the Institute for Clinical Evaluative Sciences (van Walraven, Wong, Hawken, Forster), Toronto, Ont.

From the Faculty of Medicine (van Walraven, Forster), University of Ottawa; the Clinical Epidemiology Program (van Walraven, Wong, Hawken, Forster), Ottawa Hospital Research Institute, Ottawa, Ont.; and the Institute for Clinical Evaluative Sciences (van Walraven, Wong, Hawken, Forster), Toronto, Ont.

From the Faculty of Medicine (van Walraven, Forster), University of Ottawa; the Clinical Epidemiology Program (van Walraven, Wong, Hawken, Forster), Ottawa Hospital Research Institute, Ottawa, Ont.; and the Institute for Clinical Evaluative Sciences (van Walraven, Wong, Hawken, Forster), Toronto, Ont.