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Table 3 Univariate and multivariate analyses showing significant predictive factors of acute kidney injury (n = 546)

From: Impact of acute kidney injury on mortality in patients with acute variceal bleeding

Variable Univariate analysis Multivariate analysis
P HR (95% CI) P HR (95% CI)
Male 0.318 1.27 (0.79–2.03)   
Age per year 0.950 1.00 (0.99–1.01)   
HCC  < 0.001 1.95 (1.35–2.82) 0.007 1.70 (1.16–2.49)
Failure to control bleeding  < 0.001 2.78 (1.75–4.41) 0.202 1.37 (0.84–2.23)
Diuretics 0.048 1.39 (1.00–1.92) 0.398 1.18 (0.81–1.72)
Initial hemoglobin per g/dL  < 0.001 0.83 (0.77–0.91) 0.026 0.91 (0.83–0.99)
Child–Pugh score per point  < 0.001 1.26 (1.18–1.36) 0.115 0.91 (0.81–1.02)
MELD score per point  < 0.001 1.10 (1.08–1.12)  < 0.001 1.11 (1.08–1.14)
  1. Bold numbers indicate significant P-values in multivariate analysis
  2. HR, hazard ratio; CI, confidence interval; HCC, hepatocellular carcinoma; MELD score, model for end-stage liver disease score