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Table 3 Risk factors for mortality (n=840) (Outcome defined as all-cause mortality)

From: Progression from new methicillin-resistant Staphylococcus aureus colonisation to infection: an observational study in a hospital cohort

 

Mortality at 30 days

Mortality at six months

Adjusted odds ratio (95% C.I.)

p value

Adjusted odds ratio (95% C.I.)

p value

Infection group

    

Clinical MRSA

5.49 (2.75- 10.95)

< 0.001

2.94 (1.78 – 4.85)

< 0.001

Age (years)

    

≤ 39

1.0 (ref)

-

1.0 (ref)

-

40-59

0.61 (0.11 – 3.52)

0.584

2.28 (0.50 – 10.34)

0.285

60-79

1.91 (0.40 – 9.06)

0.417

5.17 (1.21 – 22.02)

0.026

80 +

2.53 (0.50 – 12.74)

0.260

16.45 (3.78 – 71.50)

< 0.001

Gender

    

Male

1.0 (ref)

-

1.0 (ref)

-

Female

1.92 (1.03 – 3.60)

0.040

0.98 (0.63 – 1.51)

0.919

Ethnicity

    

Chinese

1.0 (ref)

-

1.0 (ref)

-

Malay

0.39 (0.13 – 1.18)

0.096

0.55 (0.27 – 1.11)

0.096

Indian

1.03 (0.32 – 3.30)

0.964

0.97 (0.46 to 2.08)

0.936

Other

0.46 (0.05 – 4.04)

0.479

0.42 (0.09 – 1.85)

0.251

Co-morbidities

    

Malignancy

2.29 (1.05 – 5.03)

0.038

2.32 (1.33 – 4.04)

0.003

Immunosuppression

2.98 (1.30 – 6.80)

0.010

NS

NS

Inpatient risk factors

    

Surgery ≤ 30 days

0.35 (0.17 – 0.69)

0.003

0.56 (0.35 -0.90)

0.016

ICU

2.50 (0.98 - 6.39)

0.055

NS

NS

CVC

3.82 (1.60 – 9.12)

0.003

2.40 (1.51 – 3.83)

< 0.001

  1. Bolded entries are significant at p < 0.05.