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Table 3 Multivariable logistic regression analysis with generalised estimating equations accounting for clustering within matched pairs for all-cause in-hospital mortality

From: In-hospital mortality associated with community-acquired pneumonia due to methicillin-resistant Staphylococcus aureus: a matched-pair cohort study

   Adjusted odds ratio 95% confidence interval p-value
MRSA pneumonia   1.94 1.72–2.18  < 0.001
Sex (female)   0.59 0.52–0.67  < 0.001
Age (year)   1.01 1.00–1.01 0.001
Body mass index (kg/m2)  ≤ 18.5 1.58 1.40–1.78  < 0.001
  18.5–24.9 Reference   
  25–29.9 0.70 0.54–0.91 0.007
   ≥ 30 0.65 0.33–1.31 0.231
ADL score (Barthel Index) 85–100 Reference   
  60–80 1.05 0.80–1.37 0.724
  0–55 1.84 1.54–2.20  < 0.001
Hugh-Jones grade on admission I Reference   
  II 1.09 0.72–1.63 0.692
  III 1.59 1.07–2.38 0.023
  IV 2.22 1.57–3.14  < 0.001
  V 5.57 3.89–7.97  < 0.001
A-DROP score 0 Reference   
  1 1.46 0.94–2.28 0.093
  2 2.06 1.32–3.21 0.002
  3 3.05 1.94–4.78  < 0.001
  4 5.36 3.35–8.57  < 0.001
  5 11.8 7.13–19.6  < 0.001
CRP ≥ 20 mg/mL or infiltration covering at least two-thirds of one lung on chest radiography   1.38 1.17–1.64  < 0.001
Mechanical ventilation   1.84 1.48–2.29  < 0.001
at admission
ICU admission   0.56 0.38–0.82 0.003
Haemodialysis   1.40 0.99–1.97 0.060
Emergency transport   1.01 0.91–1.13 0.837
COPD   0.77 0.65–0.90 0.002
Interstitial lung disease   1.84 1.41–2.40  < 0.001
Aspiration pneumonia   1.42 1.08–1.87 0.013
Pseudomonas aeruginosa pneumonia   0.95 0.68–1.32 0.743
  1. MRSA, methicillin-resistant Staphylococcus aureus; ADL, activities of daily living; A-DROP, Age, Dehydration, Respiratory Failure, Orientation Disturbance and Blood Pressure; CRP, C-reactive protein; ICU, intensive care unit; COPD, chronic obstructive pulmonary disease