The investigators will use health administrative data to examine the variation of anesthesia type for hip fracture surgery, as well as sources of variation and predictors of variation.
To evaluate the sources of variance in utilization of neuraxial anesthesia the investigators will use multilevel multivariable modeling strategies. This will allow identification of sources of variation (hospital, vs physician, vs patient characteristics), as well as identification of independent predictors of neuraxial use at each of these three levels. The investigators will also evaluate the independent association of hospital level variation in neuraxial use on our outcomes of interest using multilevel multivariable regression.
Study Type
OBSERVATIONAL
Enrollment
107,317
Ottawa Hospital Research Institute
Ottawa, Ontario, Canada
Number of Participants With All-Cause Mortality at 30-days
Time frame: Day of surgery to day of death, or up to 30 days, whichever comes first
Healthcare Costs From the Perspective of the Universal Healthcare System, Using Standardized Methods (Health System Performance Research Network 2013)
Time frame: Day of surgery to day of death, or 30 days after surgery, whichever comes first
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