Outcomes and nursing workload related to obese patients in the intensive care unit.

Objectives: To compare the morbidity and mortality of patients with a body mass index (BMI) < and ≥30kg/m(2) and to identify risk factors related to death and length of stay of obese patients in the intensive care unit (ICU).

Methods: Prospective and cross-sectional study.

Setting: A 35-bed mixed ICU in São Paulo, Brazil.