Table 1.
Variable | Points attributed | Prevalence in included cohort (n, %) |
History of kidney disease | 1 | 6 (0.9) |
Presence of oliguria (patient reported) | 4 | 217 (33.1) |
Infection with fever (≥38°C or ≤6°C) | 1 | 348 (53.1) |
Hypotension (<90/60) or shock (presence of hypotension with signs of decreased organ perfusion, such as altered metal status, oliguria or heart failure) | 2 | 82 (12.5) |
Pregnancy with hypertension (>140/90 and receiving treatment) or seizures | 2 | 7 (1.1) |
Swelling (entire body) | 2 | 25 (3.8) |
Decreased appetite | 1 | 463 (70.7) |
HIV | 1 | 333 (50.8) |
Coma or confusion | 2 | 36 (5.5) |
Anaemia (haemoglobin <90 g/L) or pallor | 1 | 121 (18.5) |
Score 0–2: low risk; 3–6=moderate risk; >6=high risk. Moderate and high risk were deemed at increased risk of kidney disease and enrolled. Maximum points=17.