Research Article

Estimated Glomerular Filtration Rate Correlates Poorly with Four-Hour Creatinine Clearance in Critically Ill Patients with Acute Kidney Injury

Table 2

Patient demographics (range).

Patients with AKI, a 4CrCl < 60 mL·min−1 per 1.73 m2 and a u/o > 0.24 mL·kg−1 per hr

Number of patients37
Age (years) 67 (25–90)
Sex
 Male20
 Female17
Ethnicity
 White32
 Black3
 South Asian2
Height (cm) 170 (144–196)
Weight (kg) 82 (40–175)
Body surface area (m2) 1.95 (1.27–3.09)
Reason for ICU admission
 Medical15
 Elective surgery6
 Emergency surgery16
AKIN group
 1 10
 2 16
 3 9

AKI: acute kidney injury; 4CrCl: 4-hour creatinine clearance; u/o: urine output.