Research Article

An Epidemiological Study of Anemia and Renal Dysfunction in Patients Admitted to ICUs across the United States

Table 2

Baseline patient characteristics based on eGFR (mL/min/1.73 m2).

Overall≥6030–59<30Dialysis
( ) ( ) ( ) ( ) ( )

Mean age, y (SD)69.2 (15.0)65.1 (16.5)73.6 (12.0)*72.0 (13.4)*64.5 (15.8)
Gender, female, (%)2861 (53.8)1179 (51.6)959 (56.3)*609 (56.1)*114 (47.7)*
Ethnicity, (%)
 White 4394 (82.7)1874 (82.0)1473 (86.4)889 (81.9)158 (66.1)
 Black729 (13.7)334 (14.6)182 (10.7)147 (13.6)66 (27.6)
 Other191 (3.6)77 (3.4)50 (2.9)49 (4.5)15 (6.3)
Mean Hb, g/dL (SD)9.4 (1.2)9.5 (1.4)9.4 (1.3)9.2 (1.4)*9.4 (1.2)
Mean eGFR, (SD)59.0 (39.9)93.6 (35.5)45.1 (8.7)*18.4 (7.2)*N/A
Mean SCr mg/dL (SD)1.9 (1.9)0.8 (0.2)1.5 (0.3)*3.8 (2.2)*6.2 (3.1)*

* compared to eGFR > 60 mL/min/1.73 m2.