Skip to main content

Table 2 Patient characteristics and results of univariable and multivariable logistic regression using generalized estimating equation for risk factors for methicillin-resistance in patients with Staphylococcus aureus isolates from Swiss nursing homes between 2007 and 2017

From: Antibiotic resistance in Swiss nursing homes: analysis of National Surveillance Data over an 11-year period between 2007 and 2017

  MSSA MRSA Univariable Multivariable
n = 926 n = 556 Row %a OR (95% CI) P value OR (95% CI) P value
Sex
 Female 542 298 35.5 ref.   ref.  
 Male 384 258 40.2 1.4 (0.9–2.2) 0.11 1.6 (1.0–2.5) 0.06
Age in years
  < 70 133 57 30.0 ref.   ref.  
 70–85 563 361 39.1 1.5 (1.1–2.2) 0.02 1.3 (0.9–1.9) 0.13
  > 85 230 138 37.5 1.5 (1.0–2.2) 0.04 1.3 (0.8–1.9) 0.27
Region
 French/Italian speaking 697 498 41.7 ref.   ref.  
 German speaking 229 58 20.2 0.1 (0.1–0.2) < 0.0001 0.1 (0.1–0.2) < 0.0001
Sampling site
 Urogenital 259 174 40.2 ref.   ref.  
 Skin 492 294 37.4 0.9 (0.7–1.2) 0.44 0.9 (0.7–1.1) 0.20
 Other 175 88 33.5 0.8 (0.5–1.1) 0.09 0.7 (0.5–1.0) 0.06
  1. Abbreviations: MSSA Methicillin-susceptible Staphylococcus aureus, MRSA Methicillin-resistant Staphylococcus aureus, OR Odds Ratio, CI Confidence Interval
  2. Significant P values are in bold and non-significant ones (P ≥ 0.05) are not in bold
  3. aESC-R/(ESC-S + ESC-R)