Unregistered visual impairment: is registration a failing system?
There has been little improvement in registration rates of visually impaired patients over the past decade. Ophthalmologists lack the necessary knowledge to cater for visually impaired patients' needs.
Female sex is not an independent risk factor for red blood cell transfusion in CABG when preoperative hematocrit is included as a covariate in a multivariable model. A lower hematocrit could explain some of the sex-specific disparities in outcomes after CABG and should be included in future analyses.