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Table 2 Comparison of patients with and without CA-AKI

From: Incidence and outcome of contrast-associated acute kidney injury assessed with Risk, Injury, Failure, Loss, and End-stage kidney disease (RIFLE) criteria in critically ill patients of medical and surgical intensive care units: a retrospective study

Ā 

CA-AKI

CA-NAKI

OR

95% CI

P

(nā€‰=ā€‰52)

(nā€‰=ā€‰283)

Age (years)

65.5(57ā€“74)

64(53ā€“75)

Ā Ā 

0.198

Gender

Ā Ā 

0.9

0.51-1.72

0.877

Male

33(63.5%)

19(36.5%)

Ā Ā Ā 

Female

175(61.8%)

108(38.2%)

Ā Ā Ā 

Body height (cm)

162.5(156.1-168.9)

165(158ā€“172)

Ā Ā 

0.725

Body weight (kg)

62.2(46.9-77.5)

61.5(53.5-69.5)

Ā Ā 

0.215

ICU unit

Ā Ā 

1.3

0.70-2.40

0.426

Medical

32(61.5%)

191(67.5%)

Ā Ā Ā 

Surgical

20(38.5%)

92(32.5%)

Ā Ā Ā 

Main department

General Surgery

Internal Medicine

Ā Ā 

0.552

Ā 

(nā€‰=ā€‰19, 36.5%)

(nā€‰=ā€‰117, 41.3%)

Ā Ā Ā 

Admission diagnosis

Respiratory failure

Respiratory failure

Ā Ā 

0.922

Ā 

(nā€‰=ā€‰102, 36.0%)

(nā€‰=ā€‰20, 38.5%)

Ā Ā Ā 

Hypertension

26(55.0%)

126(44.5%)

1.3

0.69-2.25

0.545

Diabetic Mellitus

13(25.0%)

74(26.1%)

0.9

0.48-1.86

1

Cardiac disease

18(34.6%)

75(26.5%)

1.5

0.78-2.76

0.241

Liver disease

12(23.1%)

59(20.8%)

1.1

0.56-2.31

0.714

Respiratory disease

31(59.6%)

143(50.5%)

1.5

0.79-2.64

0.29

Kidney disease

118(41.7%)

29(55.8%)

1.8

0.97-3.20

0.069

Type of tests

Ā Ā Ā Ā 

0.416

CT

41(78.8%)

197(69.6%)

Ā Ā Ā 

MRI

11(21.2%)

83(29.3%)

Ā Ā Ā 

CT & MRI

Ā 

3(1.1%)

Ā Ā Ā 

CM volume (ml)

150(125ā€“175)

100(32.5-167.5)

Ā Ā 

0.09

APACHE II

17(15ā€“19)

15.5(13ā€“18)

Ā Ā 

0.001

Mean Arterial Pressure (mmHg)

90.5(70.5-110.5)

86(76ā€“96)

Ā Ā 

0.056

Hemoglobin (g/dl)

9.7(7.4-12.0)

9.4(8.3-10.5)

Ā Ā 

0.243

Hydration

28(53.8%)

135(47.7%)

1.3

0.71-2.31

0.452

N-Acetylcystein

16(30.8%)

74(26.1%)

1.3

0.66-2.40

0.499

  1. Data are presented as N (%), median (interquartile range).
  2. OR odds ratio, CI confidence interval, P probability value.
  3. CA-AKI contrast-associated acute kidney injury, CA-NAKI contrast-associated no acute kidney injury, ICU intensive care unit, CM contrast medium, CT computed tomography, MRI magnetic resonance imaging, APACHE II Acute Physiology and Chronic Health Evaluation II.