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Table 3 Characteristics of cases and controls

From: Proton pump inhibitors and acute kidney injury: a nested case–control study

Variable

Cases (n = 854)

Controls (n = 3289)

ORa

95% CIb

P value

Agec

51.09 (9.53)

51.10 (9.40)

   

Genderc

     

Female

397 (46.5%)

1525 (46.4%)

   

Male

457 (53.5%)

1764 (53.6%)

   

PPId use

126 (14.8%)

191 (5.8%)

2.91

(2.28-3.72)

< 0.001

NSAIDe use

293 (34.3%)

703 (21.4%)

1.97

(1.67-2.33)

< 0.001

Antibiotic use

202 (26.7%)

223 (6.8%)

4.41

(3.55-5.47)

<0.001

Diuretic use

215 (25.2%)

293 (8.9%)

3.50

(2.86-4.27)

<0.001

Diabetes

175 (20.5%)

216 (6.6%)

3.94

(3.14-4.94)

< 0.001

Hypertension

302 (35.4%)

626 (19.0%)

2.48

(2.08-2.95)

< 0.001

High cholesterol

238 (27.8%)

659 (20.0%)

1.58

(1.32-1.89)

< 0.001

Myocardial infarction

13 (1.5%)

18 (0.5%)

2.86

(1.40-5.84)

0.004

Congestive heart failure

38 (4.5%)

8 (0.2%)

18.20

(8.48-39.06)

< 0.001

Cerebrovascular disease

15 (1.8%)

12 (0.4%)

5.28

(2.42-11.52)

< 0.001

Peripheral vascular disease

26 (3.0%)

17 (0.5%)

6.19

(3.31-11.56)

< 0.001

Paralysis

6 (0.7%)

4 (0.1%)

5.99

(1.69-21.24)

0.006

Chronic lung disease

45 (5.3%)

47 (1.4%)

3.94

(2.58-6.00)

< 0.001

Liver disease

16 (1.9%)

9 (0.3%)

6.94

(3.06-15.72)

< 0.001

Malignancy

49 (5.7%)

28 (0.9%)

6.90

(4.33-10.97)

< 0.001

Metastatic cancer

27 (3.2%)

9 (0.3%)

12.00

(5.64-25.51)

< 0.001

Rheumatoid arthritis

13 (1.5%)

10 (0.3%)

4.95

(2.16-11.35)

< 0.001

Osteoarthritis

72 (8.4%)

184 (5.6%)

1.57

(1.18-2.10)

0.002

  1. a OR odds ratio.
  2. b CI confidence interval.
  3. c Cases and controls were matched on age and gender so those variables were not compared statistically.
  4. d PPI proton pump inhibitor.
  5. e NSAID nonsteroidal anti-inflammatory drugs.