Weight gain a risk factor for mortality in patients with acute kidney injury requiring continuous renal replacement therapy

Methods A retrospective descriptive study was performed during 14 months, between January 2014 and February 2015. All patients required Intensive Care Unit (ICU) admission and RRT regardless of the pathology that led them in to the ICU. Demographic, clinical and biochemical data was recorded at the day of the admission and at the beginning of RRT. Data are reported as frequency (percentage) and median (interquartile range). Statistical test used were Pearson’s test or Fisher test, U de MannWhitney test and logistic regression.