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Table 3 Risk factors for AKI patients by age category

From: Epidemiology and outcomes of acute kidney injury in elderly chinese patients: a subgroup analysis from the EACH study

Risk factors

18–64 years

65–79 years

≥80 year

%

OR (95 % CI)a

PAF

%

OR (95 % CI)a

PAF

%

OR (95 % CI)a

PAF

Sex

 Male

53.2

1.3 (1.22 to 1.38)

  

1.33 (1.21 to 1.45)

  

1.44 (1.25 to 1.66)

 

Comorbidity

 CKD

4.1

4.31 (3.77 to 4.92)

10.4

13.2

5.64 (4.76 to 6.68)

21.6

26.7

6.89 (5.39 to 8.8)

30.7

 Heart failure

5.4

3 (2.75 to 3.28)

6.9

13.8

1.86 (1.66 to 2.09)

7.5

21.2

1.4 (1.2 to 1.65)

5.7

 Pneumonia

7.2

1.73 (1.6 to 1.86)

4.6

11.8

1.84 (1.66 to 2.04)

7.2

24.3

1.83 (1.6 to 2.09)

11.9

 Shock

0.9

6.05 (5.19 to 7.05)

3.1

1.3

7.61 (6.07 to 9.56)

4.2

2.6

7.24 (5.3 to 9.89)

5.7

 Stroke

5.2

1.4 (1.27 to 1.54)

1.7

11.7

1.28 (1.14 to 1.43)

2.4

19.9

1.2 (1.03 to 1.4)

2.7

 Urinary tract obstruction

2.4

1.67 (1.47 to 1.9)

1.4

1.7

2.16 (1.71 to 2.72)

1.3

1.1

2.75 (1.72 to 4.39)

1

 Liver disease

3.7

1.3 (1.16 to 1.46)

0.9

2.6

1.18 (0.94 to 1.47)

0.3

1.5

1.85 (1.21 to 2.84)

0.8

 Sepsis

0.7

2.55 (2.08 to 3.12)

0.9

0.7

2.8 (2.01 to 3.9)

0.9

0.9

6.55 (3.9 to 11.02)

1.7

 Gastrointestinal bleeding

1.5

1.49 (1.28 to 1.75)

0.7

2.1

1.49 (1.2 to 1.85)

0.9

3.2

1.72 (1.28 to 2.31)

1.5

 Trauma

2.6

1.34 (1.17 to 1.53)

0.7

1

1.56 (1.15 to 2.12)

0.5

1

1.56 (0.89 to 2.73)

0.3

 Acute myocardial infarction

1.3

1.82 (1.46 to 2.25)

0.6

3.1

2.04 (1.68 to 2.48)

2.1

3.5

2.18 (1.63 to 2.91)

2.4

 Diabetes

8

1.08 (1 to 1.17)

0.6

17.9

0.94 (0.85 to 1.05)

 

21.6

0.9 (0.77 to 1.05)

 

 Hypertension

13.3

1.02 (0.9 to 1.15)

0.3

36.2

0.88 (0.82 to 0.95)

 

48.9

0.94 (0.82 to 1.08)

 

 Rheumatic disease

2.5

1.14 (1 to 1.31)

0.3

1.6

1.09 (0.83 to 1.45)

0.1

1.2

1.25 (0.74 to 2.1)

0.2

 Hematologic malignancy

3.3

1.09 (0.95 to 1.24)

0.2

2.6

1.07 (0.85 to 1.35)

0.1

1.1

2.04 (1.26 to 3.29)

0.7

 Burn

0.1

1.71 (1.04 to 2.82)

0.1

 

1.6 (0.33 to 7.73)

 

0

4.76 (0.42 to 54.08)

 

 Renal disease

2.8

1.03 (0.9 to 1.16)

0.1

2.2

1 (0.8 to 1.25)

 

2.6

1.48 (1.05 to 2.09)

0.9

 COPD

0.6

0.61 (0.44 to 0.84)

 

4.6

0.92 (0.77 to 1.09)

 

11

1.08 (0.89 to 1.31)

0.7

 Tuberculosis

0.7

0.36 (0.24 to 0.55)

 

0.5

0.67 (0.37 to 1.25)

 

0.4

0.41 (0.1 to 1.76)

 

 CAD

7.7

0.81 (0.74 to 0.89)

 

24

0.98 (0.89 to 1.07)

 

32.9

1.06 (0.91 to 1.23)

1.3

 Solid cancer

28.8

0.8 (0.75 to 0.85)

 

27.5

1.06 (0.96 to 1.16)

1.1

17.9

1.15 (0.98 to 1.36)

1.7

  1. HA-AKI hospital-acquired AKI, CA-AKI community-acquired AKI, OR odds ratio, 95 % CI 95 % confidence interval, PAF population attributable fraction, CAD coronary artery disease
  2. aAdjusted for age, sex, comorbidities and clinical procedures