Table 2. Primary Outcome Data.

Study	Primary Outcome	Lower Dose Mortality	Higher Dose Mortality	Risk Ratio
Ronco et al(2000) 13	Mortality at 15 days after stopping CVVH	59%	42.5%	0.72
Bouman et al (2002)15	Mortality at 28 days after inclusion	28.1%	25.7%	0.91
Saudan et al (2006)16	Mortality at 28 and 90 days	61%	41%	0.67
Tolwani et al (2008)17	Mortality at 30 days or survival to ICU discharge	44%	51%	1.16
Bellomo et al (2009)19	Mortality at 90 days after randomization	44.7%	44.7%	1.00
Schiffl et al (2002)14	Mortality at 14 days after las hemodialysis	t 46%	28%	0.61
Faulhaber-Walter et al (2009)20	Mortality at 14 days after initiation of dialysis	29.3%	29.6%	1.01
Palevsky et al (2008)18	Mortality at 60 days after randomization	51.5%	53.6%	1.04
Summary				0.89

Abbreviations: CVVH, continuous veno-venous hemofiltration; ICU, intensive care unit