Urine output on an intensive care unit: case-control study

Objective To compare urine output between junior doctors in an intensive care unit and the patients for whom they are responsible.Design Case-control study.Setting General intensive care unit in a tertiary referral hospital.Participants 18 junior doctors responsible for clerking patients on weekday day shifts in the unit from 23 March to 23 April 2009 volunteered as “cases.” Controls were the patients in the unit clerked by those doctors. Exclusion criteria (for both groups) were pregnancy, baseline estimated glomerular filtration rate