Skip to main content

Table 1 Covariable information for non-missing data, by exposure (RAAS blockers / diuretics) and outcome (acute kidney injury)

From: Estimating the risk of acute kidney injury associated with use of diuretics and renin angiotensin aldosterone system inhibitors: A population based cohort study using the clinical practice research datalink

 

Exposed (n = 70,476)

Unexposed (n = 70,476)

AKI

Count

%

  

Missing (%)

Count

%

  

Missing (%)

AKI

586

0.8

  

0.0

348

0.5

  

0.0

No AKI

69,890

99.2

  

0.0

70,128

99.5

  

0.0

Gender

Male (%)

Female (%)

  

Missing (%)

Male (%)

Female (%)

  

Missing (%)

AKI

358 (61.1)

228 (38.9)

  

0.0

202 (58.1)

146 (42.0)

  

0.0

No AKI

38,007 (54.4)

31,883 (45.6)

  

0.0

38,163 (54.4)

31,965 (45.6)

  

0.0

Age at Exposure

< 65 (%)

65–74 (%)

> = 75 (%)

 

Missing (%)

< 65 (%)

65–74 (%)

> = 75 (%)

 

Missing (%)

AKI

229 (39.1)

179 (30.6)

178 (30.4)

 

0.0

137 (39.4)

108 (31.0)

103 (29.6)

 

0.0

No AKI

37,096 (53.1)

19,409 (27.8)

13,385 (19.2)

 

0.0

36,589 (52.2)

20,331 (29.0)

13,208 (18.8)

 

0.0

Diagnosis to Exposure

<  30 days (%)

30–179 (%)

180–364 (%)

> = 365 (%)

Missing (%)

<  30 days

(%)

30–179 (%)

180–364 (%)

> = 365 (%)

Missing (%)

AKI

191 (32.6)

83 (14.2)

42 (7.2)

270 (46.1)

0.0

39 (11.3)

115 (33.2)

35 (10.1)

157 (45.4)

0.0

No AKI

26,347 (37.7)

8880 (12.7)

4015 (5.7)

30,648 (43.9)

0.0

7203 (10.3)

25,894 (36.9)

5736 (8.2)

31,297 (44.6)

0.0

# Medications

1 (%)

> = 2 (%)

  

Missing (%)

1 (%)

> = 2 (%)

  

Missing (%)

AKI

256 (43.7)

330 (56.3)

  

0.0

297 (85.8)

49 (14.2)

  

0.0

No AKI

34,803 (49.8)

35,087 (50.2)

  

0.0

60,292 (86.0)

9838 (14.0)

  

0.0

# GP Consultation

< 10 (%)

10–19 (%)

20–29 (%)

> = 30 (%)

Missing (%)

< 10 (%)

10–19 (%)

20–29 (%)

> = 30 (%)

Missing (%)

AKI

142 (24.2)

192 (32.8)

126 (21.5)

126 (21.5)

0.0

72 (20.7)

123 (35.3)

74 (21.3)

79 (22.7)

0.0

No AKI

20,781 (29.7)

24,887 (35.6)

12,814 (18.3)

11,408 (16.3)

0.0

18,615 (26.5)

26,116 (37.2)

13,457 (19.2)

11,940 (17.0)

0.0

Systolic Blood Pressure

<  120 (%)

120–139 (%)

140–159 (%)

> = 160 (%)

Missing (%)

<  120 (%)

120–139 (%)

140–159 (%)

> = 160 (%)

Missing (%)

AKI

30 (5.5)

139 (25.4)

226 (41.2)

153 (27.9)

6.5

25 (7.3)

131 (38.3)

150 (43.9)

36 (10.5)

1.7

No AKI

2089 (3.2)

13,458 (20.8)

30,641 (47.3)

18,637 (28.8)

7.2

5202 (7.7)

24,012 (35.6)

28,854 (42.7)

9479 (14.0)

3.7

Smoking

Yes (%)

No (%)

Ex (%)

 

Missing (%)

Yes (%)

No (%)

Ex (%)

 

Missing (%)

AKI

115 (19.8)

247 (42.5)

219 (37.7)

  

71 (20.4)

156 (44.8)

121 (34.8)

 

0.0

No AKI

12,260 (17.6)

34,823 (50.1)

22,487 (32.3)

  

12,104 (17.3)

35,521 (50.8)

22,364 (32.0)

 

0.2

GFR

> = 60 (%)

45–59 (%)

<  45 (%)

 

Missing (%)

> = 60 (%)

45–59 (%)

<  45 (%)

 

Missing (%)

AKI

398 (77.7)

81 (15.8)

33 (6.5)

  

239 (76.1)

55 (17.5)

20 (6.4)

 

9.8

No AKI

42,103 (85.8)

5883 (12.0)

1070 (2.2)

  

38,014 (84.9)

6090 (13.6)

678 (1.5)

 

36.1

# Chronic Conditions

1 (%)

> = 2 (%)

  

Missing (%)

1 (%)

> = 2 (%)

  

Missing (%)

AKI

417 (71.2)

169 (28.8)

   

285 (82.4)

61 (17.6)

  

0.0

No AKI

56,163 (80.4)

13,727 (19.6)

   

61,945 (88.3)

8185 (11.7)

  

0.0

  1. 1 Percentages exclude missing values, except for the “Missing” column which shows the percentage of patients with missing data