Variation in low-value radiograph use for children in the emergency department: a cross-sectional study of administrative databases

Division of Emergency Medicine (Freire), Division of Pediatric Medicine (Saunders, Friedman, Cohen), Department of Pediatrics (Freire, Saunders, Friedman, Cohen), The Hospital for Sick Children, University of Toronto; Child Health Evaluative Sciences (Saunders, Cohen), Hospital for Sick Children Research Institute; ICES (Diong, Gandhi, Saunders, Cohen); Institute of Health Policy, Management, and Evaluation (Saunders, Cohen), University of Toronto; Edwin S.H. Leong Centre for Healthy Children (Cohen), University of Toronto, Toronto, Ont.; Division of Emergency Medicine (Neuman), Boston Children’s Hospital, Department of Pediatrics (Neuman), Harvard Medical School, Boston, Mass.; Sections of Pediatric Emergency Medicine and Gastroenterology, Departments of Pediatrics and Emergency Medicine (Freedman), Cumming School of Medicine, University of Calgary, Calgary, Alta.

Division of Emergency Medicine (Freire), Division of Pediatric Medicine (Saunders, Friedman, Cohen), Department of Pediatrics (Freire, Saunders, Friedman, Cohen), The Hospital for Sick Children, University of Toronto; Child Health Evaluative Sciences (Saunders, Cohen), Hospital for Sick Children Research Institute; ICES (Diong, Gandhi, Saunders, Cohen); Institute of Health Policy, Management, and Evaluation (Saunders, Cohen), University of Toronto; Edwin S.H. Leong Centre for Healthy Children (Cohen), University of Toronto, Toronto, Ont.; Division of Emergency Medicine (Neuman), Boston Children’s Hospital, Department of Pediatrics (Neuman), Harvard Medical School, Boston, Mass.; Sections of Pediatric Emergency Medicine and Gastroenterology, Departments of Pediatrics and Emergency Medicine (Freedman), Cumming School of Medicine, University of Calgary, Calgary, Alta.

Division of Emergency Medicine (Freire), Division of Pediatric Medicine (Saunders, Friedman, Cohen), Department of Pediatrics (Freire, Saunders, Friedman, Cohen), The Hospital for Sick Children, University of Toronto; Child Health Evaluative Sciences (Saunders, Cohen), Hospital for Sick Children Research Institute; ICES (Diong, Gandhi, Saunders, Cohen); Institute of Health Policy, Management, and Evaluation (Saunders, Cohen), University of Toronto; Edwin S.H. Leong Centre for Healthy Children (Cohen), University of Toronto, Toronto, Ont.; Division of Emergency Medicine (Neuman), Boston Children’s Hospital, Department of Pediatrics (Neuman), Harvard Medical School, Boston, Mass.; Sections of Pediatric Emergency Medicine and Gastroenterology, Departments of Pediatrics and Emergency Medicine (Freedman), Cumming School of Medicine, University of Calgary, Calgary, Alta.

Division of Emergency Medicine (Freire), Division of Pediatric Medicine (Saunders, Friedman, Cohen), Department of Pediatrics (Freire, Saunders, Friedman, Cohen), The Hospital for Sick Children, University of Toronto; Child Health Evaluative Sciences (Saunders, Cohen), Hospital for Sick Children Research Institute; ICES (Diong, Gandhi, Saunders, Cohen); Institute of Health Policy, Management, and Evaluation (Saunders, Cohen), University of Toronto; Edwin S.H. Leong Centre for Healthy Children (Cohen), University of Toronto, Toronto, Ont.; Division of Emergency Medicine (Neuman), Boston Children’s Hospital, Department of Pediatrics (Neuman), Harvard Medical School, Boston, Mass.; Sections of Pediatric Emergency Medicine and Gastroenterology, Departments of Pediatrics and Emergency Medicine (Freedman), Cumming School of Medicine, University of Calgary, Calgary, Alta.

Division of Emergency Medicine (Freire), Division of Pediatric Medicine (Saunders, Friedman, Cohen), Department of Pediatrics (Freire, Saunders, Friedman, Cohen), The Hospital for Sick Children, University of Toronto; Child Health Evaluative Sciences (Saunders, Cohen), Hospital for Sick Children Research Institute; ICES (Diong, Gandhi, Saunders, Cohen); Institute of Health Policy, Management, and Evaluation (Saunders, Cohen), University of Toronto; Edwin S.H. Leong Centre for Healthy Children (Cohen), University of Toronto, Toronto, Ont.; Division of Emergency Medicine (Neuman), Boston Children’s Hospital, Department of Pediatrics (Neuman), Harvard Medical School, Boston, Mass.; Sections of Pediatric Emergency Medicine and Gastroenterology, Departments of Pediatrics and Emergency Medicine (Freedman), Cumming School of Medicine, University of Calgary, Calgary, Alta.

Division of Emergency Medicine (Freire), Division of Pediatric Medicine (Saunders, Friedman, Cohen), Department of Pediatrics (Freire, Saunders, Friedman, Cohen), The Hospital for Sick Children, University of Toronto; Child Health Evaluative Sciences (Saunders, Cohen), Hospital for Sick Children Research Institute; ICES (Diong, Gandhi, Saunders, Cohen); Institute of Health Policy, Management, and Evaluation (Saunders, Cohen), University of Toronto; Edwin S.H. Leong Centre for Healthy Children (Cohen), University of Toronto, Toronto, Ont.; Division of Emergency Medicine (Neuman), Boston Children’s Hospital, Department of Pediatrics (Neuman), Harvard Medical School, Boston, Mass.; Sections of Pediatric Emergency Medicine and Gastroenterology, Departments of Pediatrics and Emergency Medicine (Freedman), Cumming School of Medicine, University of Calgary, Calgary, Alta.

Division of Emergency Medicine (Freire), Division of Pediatric Medicine (Saunders, Friedman, Cohen), Department of Pediatrics (Freire, Saunders, Friedman, Cohen), The Hospital for Sick Children, University of Toronto; Child Health Evaluative Sciences (Saunders, Cohen), Hospital for Sick Children Research Institute; ICES (Diong, Gandhi, Saunders, Cohen); Institute of Health Policy, Management, and Evaluation (Saunders, Cohen), University of Toronto; Edwin S.H. Leong Centre for Healthy Children (Cohen), University of Toronto, Toronto, Ont.; Division of Emergency Medicine (Neuman), Boston Children’s Hospital, Department of Pediatrics (Neuman), Harvard Medical School, Boston, Mass.; Sections of Pediatric Emergency Medicine and Gastroenterology, Departments of Pediatrics and Emergency Medicine (Freedman), Cumming School of Medicine, University of Calgary, Calgary, Alta.

Division of Emergency Medicine (Freire), Division of Pediatric Medicine (Saunders, Friedman, Cohen), Department of Pediatrics (Freire, Saunders, Friedman, Cohen), The Hospital for Sick Children, University of Toronto; Child Health Evaluative Sciences (Saunders, Cohen), Hospital for Sick Children Research Institute; ICES (Diong, Gandhi, Saunders, Cohen); Institute of Health Policy, Management, and Evaluation (Saunders, Cohen), University of Toronto; Edwin S.H. Leong Centre for Healthy Children (Cohen), University of Toronto, Toronto, Ont.; Division of Emergency Medicine (Neuman), Boston Children’s Hospital, Department of Pediatrics (Neuman), Harvard Medical School, Boston, Mass.; Sections of Pediatric Emergency Medicine and Gastroenterology, Departments of Pediatrics and Emergency Medicine (Freedman), Cumming School of Medicine, University of Calgary, Calgary, Alta.