... Street NW, Calgary, AB T2N 2T9, Canada2Department of Community Health Sciences, University of Calgary, Calgary, AB T2N 2T9, Canada3Department of Medicine, University of Calgary, Calgary, AB T2N 2T9, ... mediannumber of days of hyponatraemia (IQR = one to three days)and hypernatraemia (IQR = one to five days) was two.Multivariable analysis of patient characteristicsThe incidence of ICU-acquired hyponatraemia ... ICUadmission days. The incidence of both ICU-acquiredhyponatraemia (age, admission diagnosis, Acute Physiology andChronic Health Evaluation (APACHE) II score, length of ICUstay, level of consciousness,...