High urinary excretion of kidney injury molecule-1 predicts adverse outcomes in acute kidney injury: a case control study

Table 6 Cox regression shows the independent risk factors for renal function progression in patients with acute kidney injury

	Univariate analysis		Multivariate analysis
Characteristics	Relative risk	P	Relative risk	P
Age, years	1.033 (1.018, 1.047)	0.000	1.032 (1.008, 1.057)	0.009
Male sex
Baseline estimated GFR (ml/min/1.73 m²)	0.976 (0.965, 0.987)	0.000	0.974 (0.962, 0.986)	0.000
Peak serum creatinine (mg/dl)	1.002 (1.001, 1.003)	0.001
uKIM-1 (ng/mg)	1.018 (1.008, 1.029)	0.000	1.018 (1.004, 1.031)	0.009
FeNa ≥1 %	3.314 (1.622, 6.768)	0.001
RFI ≥1 %	2.670 (1.199, 5.948)	0.016

GFR glomerular filtration rate, uKIM-1 urinary kidney injury molecule-1, FeNa fractional excretion of sodium, RFI renal failure index

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