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Table 1 Univariate risk factors for MRSA infection versus other bacterial pathogens among emergency department patients with purulent skin and soft tissue infections

From: Methicillin resistant Staphylococcus Aureus in emergency department patients in the United Arab Emirates

Variable

Sub-variable

MRSA (n = 18)

%

Other bacteria (n = 60)

%

Odds Ratio (95% CI)

Sex

Female

8

44%

12

20%

3.2 (1.0–9.9)

Nationality

Emirati nationala

5

28%

14

23%

1.3 (0.4–4.2)

Accommodation

Shared

6

33%

19

32%

REF

 

Home

9

50%

29

48%

1.0 (0.3–3.3)

 

Camp

2

11%

9

15%

1.4 (0.2–8.5)

Past Medical Historyb

Yes

1

6%

9

15%

0.3 (0.0–3.8)

Risk factors

Incarcerated in past year

1

6%

0

0%

 
 

Play contact sports

5

28%

8

13%

2.5 (0.7–8.9)

 

HH member with skin infection

1

6%

2

3%

0.6 (0.2–2.3)

 

Recent hospitalizationc

1

6%

3

5%

0.4 (0.1–5.9)

 

ICU stay in past year

0

0%

0

0%

 

Recent skin infection

Abscess/cellulitis

3

17%

15

25%

0.6 (0.2–2.4)

Antibiotic use last 3 months

Yes

5

28%

19

32%

1.3 (0.5–4.0)

MRSA suspected by clinician

Yes (vs no or not sure)

2

11%

2

3%

3.6 (0.5–27.3)

Current infection

Multiple abscesses/lesions

4

22%

4

7%

3.9 (0.9–17.7)

 

Associated cellulitis

15

83%

48

80%

1.5 (0.4–6.0)

  1. aVersus expatriates
  2. bIncluded diabetes, hypertension, asthma, thalassemia, coronary artery disease, osteosarcoma. Some with multiple medical problems
  3. cPast 3 months
  4. HH Household