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Table 2 Patient demographics (n = 484) on entry to the ICU

From: Four hour creatinine clearance is better than plasma creatinine for monitoring renal function in critically ill patients

Age, yrs

60 ± 17

Female, % (n)

39 (190)

Weight, kg

79 ± 19

Baseline pCr, mg/dl

0.86 (0.71, 1.06)

Baseline estimated CCl, ml/min

89 (66, 125)

APACHE II score

18 ± 6

SOFA score

6.3 ± 2.8

Hypotension, % (n)

23 (111)

pCr, mg/dl

1.0 (79.0, 1.36)

4-h CCl, ml/min

78 (48, 122)

Urine output, ml/kg/hr

1.0 (52, 2.14)

Urine creatinine, mg/dl

62 (30, 107)

Plasma cystatin C, mg/dl

86 (66, 1.2)

CKD, % (n)

14 (66)

Primary diagnosis, % (n)

 

Abdominal aortic aneurysm rupture & repair

5 (22)

Abdominal surgery or inflammation

11 (51)

Burns

1 (5)

Cardiac arrest or failure

13 (63)

Cardiac surgery

13 (64)

Collapse, cause unknown

1 (3)

Neurological surgery, injury or seizure or haemorrhage

15 (71)

Other

1 (3)

Pulmonary or thoracic surgery or failure

13 (63)

Sepsis

20 (97)

Traumaa

9 (42)

  1. Shown are means ± SD or medians (lower quartile, upper quartile) for normal and non- normally distributed data, or percentage (n).
  2. pCr: plasma creatinine; CCl: creatinine clearance; CKD: chronic kidney disease; APACHE: acute physiology and chronic health evaluation SOFA: Sequential Organ Failure Assessment.