Table 1.
Patient demographics and clinical characteristics
| Patient Characteristics, n=177 enrollments | N (%) |
|---|---|
| Men | 103 (58) |
| Age, yr, median (IQR) | 61 (51–70) |
| Race | |
| White | 146 (84) |
| Black | 16 (9) |
| Hispanic | 9 (5) |
| Other | 6 (3) |
| Reasons for AKIa | |
| Hypotension | 102 (58) |
| Sepsis | 89 (51) |
| Prerenal azotemia | 52 (30) |
| Other nephrotoxin | 16 (9) |
| Obstruction | 7 (4) |
| Contrast | 16 (9) |
| Hepatorenal syndrome | 7 (4) |
| Thrombotic microangiopathy | 6 (3) |
| Cardiorenal syndrome | 7 (4) |
| Rhabdomyolysis | 6 (3) |
| GN | 4 (2) |
| Hemolysis | 5 (3) |
| Vasculitis | 4 (2) |
| Tubulointerstitial nephritis | 4 (2) |
| Other | 26 (15) |
| Chronic health condition | |
| Chronic hypoxemia | 26 (15) |
| Malignancy | 69 (39) |
| Immunosuppresive therapy | 57 (32) |
| Cardiovascular disease | 47 (27) |
| Postsurgery | 15 (8) |
| Vitals at enrollment | |
| Mean arterial pressure, mean+SD | 76.8+13.8 |
| Serum albumin, mean+SD | 2.5+0.6 |
| FiO2>0.6 | 23 (13) |
| Mechanical ventilation | 91 (51) |
| Type (s) of RRT during enrollment | |
| None | 91 (51) |
| CVVH | 44 (25) |
| HD | 16 (9) |
| CVVH and HD | 26 (15) |
| Length of stay, median (IQR) | |
| MICU, d | 5.9 (2.5–13.7) |
| Hospital, d | 16.3 (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).