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1.
Am J Med Qual ; 25(2): 95-101, 2010.
Article in English | MEDLINE | ID: mdl-20145195

ABSTRACT

Data from the British Columbia Linked Health Database were analyzed to determine if size of hospital is associated with in-hospital death of critically ill adults whose admitting diagnosis is congestive heart failure (CHF). Patients who were <19 years of age, transferred from or to other hospitals, or who developed CHF as a complication were excluded. In unadjusted logistic regression analysis of 2616 patients, the odds ratio (OR) for in-hospital death associated with a doubling of the number of hospital beds was 1.12 (95% confidence interval [CI] = 1.03-1.23; P = .01). After adjustment for age, sex, CHF-specific comorbidity index, number of cardiac and noncardiac procedures, number of hospital admissions for CHF in the preceding year, and socioeconomic variables, the OR was 1.08 (95% CI = 0.96-1.20; P = .21). The conclusion is that the adjusted rate of in-hospital deaths for this patient group does not differ significantly based solely on the number of acute hospital beds.


Subject(s)
Critical Illness/mortality , Heart Failure/mortality , Hospital Bed Capacity , Hospital Mortality , Aged , Aged, 80 and over , British Columbia/epidemiology , Cohort Studies , Databases as Topic , Female , Humans , Male , Middle Aged , Retrospective Studies
2.
Can J Infect Dis Med Microbiol ; 17(6): 330-6, 2006 Nov.
Article in English | MEDLINE | ID: mdl-18382647

ABSTRACT

BACKGROUND: In summer 2003, a respiratory outbreak was investigated in British Columbia, during which nucleic acid tests and serology unexpectedly indicated reactivity for severe acute respiratory syndrome coronavirus (SARS-CoV). METHODS: Cases at a care facility were epidemiologically characterized and sequentially investigated for conventional agents of respiratory infection, SARS-CoV and other human CoVs. Serological cross-reactivity between SARS-CoV and human CoV-OC43 (HCoV-OC43) was investigated by peptide spot assay. RESULTS: Ninety-five of 142 residents (67%) and 53 of 160 staff members (33%) experienced symptoms of respiratory infection. Symptomatic residents experienced cough (66%), fever (21%) and pneumonia (12%). Eight residents died, six with pneumonia. No staff members developed pneumonia. Findings on reverse transcriptase-polymerase chain reaction assays for SARS-CoV at a national reference laboratory were suspected to represent false positives, but this was confounded by concurrent identification of antibody to N protein on serology. Subsequent testing by reverse transcriptase-polymerase chain reaction confirmed HCoV-OC43 infection. Convalescent serology ruled out SARS. Notably, sera demonstrated cross-reactivity against nucleocapsid peptide sequences common to HCoV-OC43 and SARS-CoV. CONCLUSIONS: These findings underscore the virulence of human CoV-OC43 in elderly populations and confirm that cross-reactivity to antibody against nucleocapsid proteins from these viruses must be considered when interpreting serological tests for SARS-CoV.

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