Table 1.

Baseline characteristics

CharacteristicValue(s) for groupc
Non-AKIAKI
Demographics
    Age, yr (median, IQRa)70 (56, 81)68 (58, 84)
    Male89 (49)26 (61)
    Weight, kg (median, IQR)68 (59, 83)75 (63, 86)
    APACHE II score (median, IQR)8 (6, 13)9 (8, 15)
    Baseline estimated GFR (median, IQR)
        MDRD (ml/min/1.73 m2)118 (92, 152)*102 (67, 122)*
        CKD-epi (ml/min/1.73 m2)99 (83, 112)*87 (67, 107)*
    ICU admission56 (30)18 (42)
Residence prior to admission
    Home125 (68)32 (74)
    SNF59 (32)11 (26)
Comorbidities
    Diabetes52 (28)16 (37)
    Cardiovascular diseaseb114 (62)27 (63)
    Renal insufficiency6 (3)2 (5)
    Chronic obstructive pulmonary disease26 (14)4 (9)
    Malignancy28 (15)Y16 (37) Y
  • a IQR, interquartile range.

  • b Congestive heart failure, atrial fibrillation, hypertension.

  • c Where not otherwise noted, a value is the no. (%) of patients with the given characteristic. *, P value < 0.05, Wilcoxon-Mann-Whitney test; Y, P value < 0.05, chi-square test. For non-AKI group, n = 184; for AKI group, n = 43.