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Table 2 Hazard ratios: results of multivariate Cox regression analysis for 60-day mortality in critically ill patients with acute renal failure

From: A positive fluid balance is associated with a worse outcome in patients with acute renal failure

Characteristic Hazard ratio 95% CI P value
Age 1.02 1.01–1.03 <0.001
SAPS II (per point) 1.03 1.02–1.04 <0.001
Heart failure 1.38 1.05–1.81 0.02
Medical admission 1.68 1.35–2.08 <0.001
Mean fluid balance, L/24 hours 1.21 1.13–1.28 <0.001
Mechanical ventilation 1.55 1.14–2.11 <0.001
Liver cirrhosis 2.73 1.88–3.95 <0.001
  1. CI, confidence interval; SAPS II, Simplified Acute Physiology Score II.