... 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 ... 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 ... patients and hypernatraemia in 2157(26%) patients with an incidence density of 3.1 and 7.4 per 100days of ICU admission, respectively, during 29,142 ICUadmission days. The incidence of both ICU-acquiredhyponatraemia...