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Table 1 Uni- and multivariate (logistic regression) analysis of predictors of Staphylococcus aureus carriage in diabetic individuals

From: Molecular characterization of methicillin-resistant Staphylococcus aureus among insulin-dependent diabetic individuals in Brazil

Factor

S. aureus (n = 95)

Negative (n = 217)

Univariate analysis

Logistic regression (multivariate)

OR (95%CI)

p

OR (95%CI)

p

Male gender

42 (44.2)

98 (45.2)

0.96 (0.59–1.56)

0.88

  

Age (median, quartiles)

61 (49–70)

65 (56–71)

–

0.04

0.98 (0.93–0.99)

0.02

Time since diagnosis, years (median, quartiles)

14 (9–20)

16.5 (8–25)

–

0.84

  

Use of insulin, years (median, quartiles)

8 (4–14)

7 (3–11)

–

0.22

  

Diabetes type 2

78 (82.1)

184 (84.8)

0.82 (0.43–1.56)

0.35

  

Heart disease

16 (17.4)

61 (29.0)

0.51 (0.28–0.95)

0.03

  

Lung disease

4 (4.3)

29 (13.8)

0.28 (0.10–0.83)

0.02

0.31 (0.10–0.92)

0.03

Kidney disease

23 (25.0)

59 (28.1)

0.85 (0.49–1. 49)

0.58

  

Liver disease

9 (9.8)

18 (8.6)

1.16 (0.50–2.68)

0.73

  

CNS disease

19 (20.7)

31 (14.8)

1.50 (0.80–2.82)

0.20

  

Cancer

11 (11.8)

28 (13.1)

0.89 (0.42–1.87)

0.75

  

Trauma

8 (8.7)

23 (11.0)

0.77 (0.33–1.80)

0.55

  

Tattoo

4 (4.3)

12 (5.7)

0.75 (0.23–2.39)

0.78

  

Lower-extremity ulcers

15 (16.3)

16 (7.6)

2.36 (1.11–5. 01)

0.02

2.44 (1.11–5.34)

0.03

Amputation

2 (2.2)

8 (3.8)

0.56 (0.18–2.70)

0.73

  

Charlson comorbidity index ≥ 1

3 (2–4)

3 (2–4)

-

0.84

  

Hospitalization in the last year

11 (12.0)

37 (17.6)

0.63 (0.31–1.31)

0.21

  

Surgery in the last year

10 (10.9)

22 (10.5)

1.04 (0.47–2.30)

0.91

  

Antimicrobial use in the last year

21 (22.8)

57 (27.3)

0.79 (0.44–1.40)

0.42

  
  1. All values are reported as number (%) unless otherwise specified. Significant associations are indicated in italic
  2. OR odds ratio, CI confidence interval, CNS central nervous system