Table 2.

Patient characteristics (day of nephrology consultation)a

CharacteristicTotalDialysisNondialysisP
a ARF, acute renal failure; CRI, chronic renal insufficiency; LOS, length of stay; BUN, blood urea nitrogen; UO, urine output; MAP, mean arterial pressure; CVP, central venous pressure; PCWP, pulmonary capillary wedge pressure; CO, cardiac output; CI, cardiac index; SVR, systemic vascular resistance; PO2, partial pressure of oxygen; PCO2, partial pressure of carbon dioxide.
n605358247
Demographic
    mean age56.055.556.7NS
    % male71.674.068.0NS
    % white59.559.859.1NS
    % 65 yr +39.037.241.7NS
    % surgical62.362.262.4NS
    % oliguria30.241.913.5<0.001
    % ARF on CRI23.123.522.7NS
Etiology
    % ischemic37.942.531.20.005
    % nephrotoxic14.715.413.8NS
    % multisystem2.02.21.6NS
    % multifactorial13.615.910.10.04
    % unknown21.824.018.6NS
Mortality and LOS
    % hospital mortality51.961.538.1<0.001
    % ICU mortality45.155.630.0<0.001
    % 28-d mortality46.154.234.4<0.001
    % recovery42.829.162.8<0.001
    mean hospital LOS33.731.936.4NS
    mean ICU LOS13.115.210.00.003
Renal functional indicators
    mean BUN65.766.464.7NS
    mean creatinine3.74.03.3<0.001
    mean UO14119712042<0.001
Physiologic indicators
    mean MAP79.579.679.4NS
    CVP15.016.213.1<0.001
    PCWP19.319.119.7NS
    CO7.67.87.1NS
    CI4.14.23.8NS
    SVR8297559770.01
    PO298.9951050.03
    PCO235.936.534.8NS
    pH7.47.37.40.01