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Table 1 Characteristics of patients, according to percentage of difference of creatinine* at nephrology consultation with respect to basal creatinine

From: Prognosis and serum creatinine levels in acute renal failure at the time of nephrology consultation: an observational cohort study

 

GROUPS OF % CREATININE INCREASE

 

< 101% increment

≥ 101% increment

p value

N of patients

323

323

 

Increase of Creatinine, median % (IQR).

34.07 (66.67)

201.52 (149.22)

 

Age, median years (IQR).

63 (20)

62 (17)

0.36

Male gender (%)

74.3

65.0

0.01

Surgical (%)

24.9

24.2

0.849

Oncology patients (%)

36.5

34.4

0.565

Patients with no previous history of CRF (%)

61.30

91.64

< 0.001

Basal Serum Creatinine according to the MDRD

1.04 (0.19)

1.04 (0.22)

0.25

equation, median (mg/dL) (IQR).

   

Patients with history of CRF (%)

38.70

8.36

< 0.001

Basal Serum Creatinine for CRF patients, median

2.3 (2.2)

1.5 (0.6)

< 0.001

mg/dL (IQR),

   

RIFLE criteria (%)

  

< 0.001

   Risk

35.9

0.0

 

   Injury

26.6

29.1

 

   Failure

37.5

70.9

 

Basal Serum Albumin, median g/dL (IQR),

2.62 (1.07)

2.42 (0.86)

0.072

Basal Hemoglobin, median g/dL (IQR)

10.70 (3.10)

10.50 (3.20)

0.088

Community-acquired Acute Renal Failure (%)

36.0

46.6

0.020

Liano scoring, median (IQR)

0.23 (0.27)

0.30 (0.44)

< 0.001

Karnofsky scoring, median (IQR)

70 (20)

60 (10)

0.015

Hypotension (%)

30.3

45.5

< 0.001

Oliguria (%)

31.3

50.8

< 0.001

Jaundice (%)

22.0

31.3

0.008

Coma (%)

11.8

18.0

0.027

Conciousness (%)

80.8

76.8

0.211

Mechanical ventilation (%)

18.3

28.5

0.002

Aminoglycoside use (%)

12.7

17

0.121

Radiocontrast procedures (%)

19.5

20.7

0.695

Diabetic (%)

11.1

6.5

0.037

Nephrotoxicity (%)

43.0

43.7

0.874

Causes of Acute Renal Failure

  

0.079

   Pre-renal (%)

77.1

72.1

 

   Intrinsic renal (%)

18.9

19.2

 

   Post-renal (%)

2.2

3.4

 

   Other causes (%)

1.9

5.3

 

Subsecuent Treatment of Acute Renal Failure

  

< 0.001

   Non-Dialytic (%)

75.5

61.0

 

   Intermittent Hemodialysis (%)

7.1

7.7

 

   Continuous Replacement Therapy (%)

11.1

22.6

 

   Both (Intermittent+Continuous) (%)

6.2

8.7

 

Prior food intake

  

0.024

   Optimal nutrition (%)

37

24

 

   Light malnutrition (%)

18.1

20.7

 

   Moderate malnutrition (%)

23.9

30.9

 

   Severe malnutrition (%)

21

24.4

 
  1. *Creatinine change (%) = [(creatinine at nephrology consultation - Basal creatinine)/Basal creatinine] × 100 IQR: Interquartile range. CRF: Chronic Renal Failure. MDRD: Modification of Diet in Renal Disease