Baseline demographic characteristics and biochemical data in all participants, and between the weaner and non-weaner groups.

Abbreviations. ATN, acute tubular necrosis; CAD, coronary artery disease; CHF, congestive heart failure; CVA, cerebrovascular accident; eGFR, estimated glomerular filtration rate; PAOD, peripheral arterial occlusive disease; VHD, valvular heart disease. Values are expressed as number (percent) or mean ± standard deviation. *<0.05; **<0.01 vs. weaners. +Nil denotes absence of classic acute precipitating factors, and acute dialysis was started due to unexpected occurrences of hyperkalemia, metabolic acidosis, or gastrointestinal symptoms such as nausea/vomiting. Baseline demographic characteristics and biochemical data in all participants, and between the weaner and non-weaner groups.