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Table 2 Patient characteristics and clinical parameters

From: Renal replacement therapy is an independent risk factor for mortality in critically ill patients with acute kidney injury

 

Total group

Conservative

RRT

P-value of difference

Number

n = 1,303

n = 653

n = 650

 

Age: mean (range)

66 (15 to 96)

67 (16 to 93)

64 (15 to 96)

<.001

Male

63.1%

62.8%

63.5%

 

Female

36.9%

37.2%

36.5%

0.754

Type of AKI

    

Pre-renal

45.5%

58.4%

32.6%

 

Renal

54.5%

41.6%

67.4%

<.001

Specified cause of AKI

    

Acute tubular necrosis

89.6%

89.6%

89.6%

 

Other

10.4%

10.4%

10.4%

0.997

Setting of AKI

    

Medical

72.8%

72.2%

73.4%

 

Surgical

27.2%

27.8%

26.6%

0.634

Severity scores (mean (SD))

    

SHARF (baseline)

62.3 (28.9)

58.4 (28.4)

66.0 (29.0)

<.001

APACHE II (baseline)

23.9 (10.4)

22.5 (10.2)

25.2 (10.4)

<.001

SOFA (baseline)

9.2 (3.9)

8.5 (3.8)

9.9 (3.9)

<.001

  1. AKI: acute kidney injury RRT: Renal Replacement Therapy SHARF score: Stuivenberg Hospital Acute Renal Failure score [19]