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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.