Table 1.
Baseline patient characteristics. N (proportion) or median (IQR)
| End point positive | End point negative | |
|---|---|---|
| All subjects | 27 | 126 |
| Male | 12 (44%) | 75 (60%) |
| Age (years) | 64 (54–75) | 65 (54–78) |
| Enrollment serum creatinine (mg/dL) | 2.1 (1.2–2.5) | 1.1 (0.8–1.4) |
| Baseline serum creatinine (mg/dL) | 1.1 (0.9–2.1) | 1.0 (0.8–1.3) |
| Urine volume (mL) for 6 h period prior to enrollmenta | 214 (124–386) | 433 (240–650) |
| History of CKD | 4 (15%) | 9 (7%) |
| Race | ||
| Asian | 1 (4%) | 9 (7%) |
| Black or African American | 3 (11%) | 10 (8%) |
| Other/unknown | 1 (4%) | 10 (8%) |
| White or Caucasian | 22 (81%) | 97 (77%) |
| ICU type | ||
| Cardiac surgery | 0 (0%) | 1 (1%) |
| Combined ICU | 10 (37%) | 33 (26%) |
| Coronary care unit | 6 (22%) | 21 (17%) |
| Medical | 6 (22%) | 47 (37%) |
| Neurologic | 0 (0%) | 2 (2%) |
| Other/unknown | 2 (7%) | 3 (2%) |
| Surgical | 3 (11%) | 10 (8%) |
| Trauma | 0 (0%) | 9 (7%) |
| Reason for ICU admissionb | ||
| Respiratory | 15 (56%) | 66 (52%) |
| Surgery/post-operative | 2 (7%) | 21 (17%) |
| Cardiovascular | 16 (59%) | 48 (38%) |
| Sepsis | 5 (19%) | 24 (19%) |
| Cerebrovascular | 5 (19%) | 10 (8% |
| Trauma | 0 (0%) | 12 (10%) |
| Other | 14 (52%) | 43 (34%) |
aOne hundred and thirty-eight (24 end point positive and 114 end point negative) subjects had 6 h of urine output recorded prior to enrollment.
bSubjects may have multiple reasons for ICU admission.