Table 1.

Possible risk factors for AKI that were assessed on admission

Risk factor	Description/explanation
Age	>65 years
Diabetes mellitus
CKD	Stage 3–5 (estimated glomerular filtration rate <60 mL/min/1.73 m2)
Congestive cardiac failure	History of congestive cardiac failure or current presentation consistent with acute cardiac failure
Ischaemic heart disease	History of previous myocardial infarction or angina
Peripheral vascular disease
Cerebrovascular disease	History of cerebrovascular disease/stroke or transient ischaemic event
Peripheral vascular disease	Previous intervention for atherosclerotic vascular disease or ongoing symptoms of intermittent claudication
Solid organ or haematological malignancy	Active diagnosis of malignancy
Neurological or cognitive impairment	Residual neurological deficit following previous stroke or known diagnosis of dementia
Liver disease	Known history of liver disease
Morbid obesity	BMI > 40
AIDS	Known confirmed diagnosis of AIDS under specialist care
ACEi/AIIRA	Current therapy at the time of admission
Diuretics	Current therapy at the time of admission
Non-steroidal anti-inflammatory medication	Current therapy at the time of admission
Hypotensiona	Systolic blood pressure <90 mmHg
Evidence of sepsisa	The presence of ≥ of the following parameters: temperature <36°C or >38°C, heart rate 90 bpm, white blood count >12 or <4106/mL, respiratory rate >20 or hyperglycaemia without diabetes

^aRisk factors included into second phase of the study only. ACEi, angiotensin converting enzyme inhibitor.