Table 1 Summaries of mean age, gender, deprivation and co-morbidity at a patient level, only considering admissions during the recruitment period, and for multiple admissions per patient during the recruitment period selecting the patient’s admission with the highest AKI stage

Age - Mean (SD)

62.0 (20.3)

74.2 (16.3)

76.1 (14.7)

72.5 (15.7)

54.2 (21.0)

Age: 18-39

17.1%

5.1%

3.6%

4.4%

29.0%

40-59

23.7%

11.3%

8.9%

16.0%

28.3%

60-79

36.9%

38.2%

37.3%

40.7%

29.5%

80+

22.3%

45.5%

50.2%

39.0%

13.2%

Male Sex - %

45.1%

52.2%

45.0%

49.8%

45.8%

Deprivation - Median (IQR)

17.4 (11.8 27.0)

17.2 (11.8, 25.8)

17.3 (11.8, 25.8)

17.2 (11.9, 26.9)

17.2 (11.7, 26.7)

AIDS - %

0.1%

0.1%

0.1%

0.0%

0.0%

Malignancy - %

6.2%

11.5%

14.0%

16.7%

4.8%

CHF - %

2.6%

10.4%

13.9%

11.6%

1.0%

CPD - %

12.8%

17.0%

16.1%

17.4%

8.5%

Cerebrovascular disease - %

7.3%

13.5%

12.3%

11.2%

3.4%

Dementia - %

3.2%

6.7%

8.2%

7.0%

1.9%

Diabetes - %

10.3%

20.2%

18.7%

23.8%

6.0%

Hemiplegia. - %

1.3%

1.8%

1.4%

1.5%

0.5%

Hypertension - %

27.2%

39.%

39.3%

39.0%

15.5%

MI - %

3.0%

5.0%

6.0%

3.9%

0.7%

Solid tumour - %

2.0%

3.2%

4.8%

4.4%

0.9%

Liver disease - %

0.9%

1.8%

3.0%

6.1%

0.5%

PVD - %

2.1%

5.4%

6.2%

4.6%

1.0%

Peptic ulcer - %

0.6%

1.2%

1.7%

1.9%

0.4%

Renal disease - %

1.7%

11.2%

16.4%

22.3%

1.1%

Rheumatic disease - %

2.3%

3.9%

3.1%

4.1%

1.1%

CKD - no data

0%

0%

0%

0.7%

34.4%

no CKD

84.8%

61.9%

62.1%

68.2%

58.0%

CKD stage 3a

10.0%

19.1%

20.1%

15.0%

5.0%

CKD stage 3b

4.0%

13.1%

12.1%

10.2%

2.0%

CKD stage 4

1.0%

5.3%

5.5%

2.6%

0.5%

CKD stage 5

0.2%

0.5%

0.2%

3.4%

0.1%

Charlson ≤ 0 - %

58.0%

31.9%

25.8%

23.3%

74.5%

1-10 - %

25.9%

29.4%

30.5%

30.1%

17.4%

11 + =%

16.2%

38.8%

43.7%

46.6%

8.2%