Table 1.

Patient characteristics

CharacteristicsAKI (n=54)No AKI (n=52)P Value
Age (yr)55.8±16.758.0±14.50.47
Sex (% men)31 (57.4)29 (55.8)0.87
Race (%)
 White34 (63.0)40 (76.9)0.18
 Black12 (22.2)5 (9.6)
 Over8 (14.8)7 (13.5)
ICU type, n (%)
 SICU9 (16.7)18 (34.6)0.001
 MICU26 (48.2)6 (11.5)
 CCU10 (18.5)15 (28.9)
 Other ICU9 (16.7)13 (25)
Diabetes (%)17 (31.5)10 (19.2)0.15
Hypertension (%)27 (50.0)29 (55.8)0.55
Heart failure (%)15 (27.8)17 (32.7)0.59
Liver disease (%)18 (33.3)6 (11.5)0.007
Cancer (%)23 (42.6)23 (45.1)0.80
Baseline serum creatinine (mg/dl)0.86±0.260.82±0.200.32
Baseline eGFR (ml/min)88 (69.5–104)92 (78.3–103)0.40
APACHE II20 (16–26)12 (9–19)<0.001
Number pressors/inotropes1.5 (0–3)0 (0–1)0.001
Mechanical ventilation (%)34 (63.0)20 (38.5)0.01
Charlson Comorbidity Index4 (2.8–7)2 (2–4)<0.001
  • ICU, intensive care unit; APACHE, Acute Physiology and Chronic Health Evaluation; SICU, Surgical ICU; MICU, Medical ICU; CCU, Coronary Care Unit.