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Table 2 Patient characteristics for all patients studied

From: Do acute elevations of serum creatinine in primary care engender an increased mortality risk?

Variable

All (n = 61,432)

No AKI (n = 57,300)

AKI 1 (n = 3,798)

AKI 2 (n = 232)

AKI 3 (n = 102)

P-value(*)

Age in years mean (SD)

64.1 (15.8)

64.1 (15.8)

72.2 (14.4)

72.9 (13.3)

67.7 (15.4)

<0.001

−39 (%)

7.8

8.4

4.0

2.2

7.8

<0.001

40-59 (%)

24.9

26.4

12.4

12.5

17.7

 

60-79 (%)

49.4

49.4

51.3

51.3

50.0

 

80 + (%)

17.9

15.8

32.4

34.1

24.5

 

Female (%)

55.1

55.7

46.2

58.6

43.1

<0.001

Baseline GFR

>60 (%)

77.4

79.2

52.0

71.1

51.0

<0.001

45 - <60 (%)

15.4

15.0

20.8

18.1

7.8

 

30 - <45 (%)

5.6

4.8

17.1

7.8

6.9

 

<30 (%)

1.6

1.0

10.1

3.0

34.3

 
  1. This table shows age at incident creatinine, gender and baseline GFR. (*)All comparisons performed using the Chi-square test, except for age on a continuous scale, where analysis of variance (ANOVA) was used.