Prognosis for long-term survival and renal recovery in critically ill patients with severe acute renal failure: a population-based study

Table 3 Univariate analysis of categorical factors associated with death at 1 year among sARF patients

Factor	Fatality rate with factor	Fatality rate without factor	Relative risk (95% CI)	p value
Surgical admission	48/87	105/153	0.80 (0.65–1.0)	0.05
Cancer diagnosis	32/38	121/202	1.4 (1.2–1.7)	0.005
Diabetes mellitus	38/72	115/168	1.3 (1.0–1.7)	0.02
Liver disease	44/50	109/190	1.5 (1.3–1.8)	<0.0001
Need for vasopressors	129/186	24/54	1.6 (1.1–2.1)	0.001
RRT modality
Continuous renal replacement	117/147	36/93	2.1 (1.6–2.7)	<0.0001
Intermittent hemodialysis	14/48	139/192	0.4 (0.3–0.6)	<0.0001
Both	22/45	131/195	0.7 (0.5–1.0)	0.02
Hypotension	140/205	13/35	1.8 (1.2–2.9)	<0.0001
Shock	125/179	28/61	1.5 (1.1–2.0)	0.001
Mechanical ventilation	119/175	34/65	1.3 (1.0–1.7)	0.03
Acute respiratory distress syndrome	75/99	78/141	1.4 (1.1–1.6)	0.003
Sepsis syndrome	118/167	35/73	1.5 (1.1–1.9)	<0.001
Septic shock	104/139	49/101	1.5 (1.2–1.9)	<0.0001

CI, confidence interval; RRT, renal replacement; sARF, severe acute renal failure.

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