Table 1. Patient characteristics and clinical outcome of patients with sepsis who did and did not develop acute renal failure (ARF)a

Patients without ARFPatients with ARFP
a Values are expressed as median (interquartile range). ARF, acute renal failure; APACHE IIadmission, APACHE II score calculated on basis of data from the first 24 h of admission to the ICU; APACHE II expected mortality was calculated according to the APACHE II score and the admission category; LOSICU/Hosp, length of stay in the ICU and hospital, respectively; mortalityICU/Hosp, mortality in the ICU and hospital, respectively. P values in bold are significant.
Demographic data
    n155 (83.8%)30 (16.2%)
    gender (male/female)106/4920/100.853
    age (yr)53 (33.6 to 67.0)62 (48.0 to 69.5)0.063
    APACHE IIadmission16 (10.0 to 20.0)21 (13.0 to 29.5)0.002
    APACHE II expected mortality (%)29 (14.9 to 42.7)43 (18.7 to 68.8)0.009
    time in hospital before ICU (d)0 (0 to 2)0 (0 to 3)0.309
Source of infection
    lung107 (69.0%)18 (60.0%)0.333
    abdomen16 (10.3%)6 (20.0%)0.134
    other causes32 (20.6%)6 (20.0%)0.936
Clinical outcome
    LOSICU (d)10 (5.0 to 18.0)20 (13 to 27)0.001
    LOSHosp (d)30 (15.0 to 60.0)27 (19.8 to 51.5)0.734
    mortalityICU (%)35 (22.6%)16 (53.3%)0.002
    mortalityHosp (%)44 (28.4%)17 (56.7%)0.007