Table 1.

Patient demographics and clinical characteristics

Patient Characteristics, n=177 enrollmentsN (%)
Men103 (58)
Age, yr, median (IQR)61 (51–70)
Race
 White146 (84)
 Black16 (9)
 Hispanic9 (5)
 Other6 (3)
Reasons for AKIa
 Hypotension102 (58)
 Sepsis89 (51)
 Prerenal azotemia52 (30)
 Other nephrotoxin16 (9)
 Obstruction7 (4)
 Contrast16 (9)
 Hepatorenal syndrome7 (4)
 Thrombotic microangiopathy6 (3)
 Cardiorenal syndrome7 (4)
 Rhabdomyolysis6 (3)
 GN4 (2)
 Hemolysis5 (3)
 Vasculitis4 (2)
 Tubulointerstitial nephritis4 (2)
 Other26 (15)
Chronic health condition
 Chronic hypoxemia26 (15)
 Malignancy69 (39)
 Immunosuppresive therapy57 (32)
 Cardiovascular disease47 (27)
 Postsurgery15 (8)
Vitals at enrollment
 Mean arterial pressure, mean+SD76.8+13.8
 Serum albumin, mean+SD2.5+0.6
 FiO2>0.623 (13)
 Mechanical ventilation91 (51)
Type (s) of RRT during enrollment
 None91 (51)
 CVVH44 (25)
 HD16 (9)
 CVVH and HD26 (15)
Length of stay, median (IQR)
 MICU, d5.9 (2.5–13.7)
 Hospital, d16.3 (7–29.1)
Probability of 60-d mortality,b median (IQR)0.48 (0.04–0.96)
  • Values represent N (%) unless otherwise stated. IQR, interquartile range; FiO2, fraction of inspired oxygen; CVVH, continuous venovenous hemofiltration; HD, hemodialysis; MICU, medical intensive care unit.

  • a Clinical diagnosis of AKI specified by clinicians caring for the patient.

  • b Risk equation by Demirjian et al. (18).