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Table 3 Univariable and multivariable logistic regression analysis of atypical versus other pathogens with cases with unknown aetiology excluded

From: Atypical aetiology in patients hospitalised with community-acquired pneumonia is associated with age, gender and season; a data-analysis on four Dutch cohorts

  Univariable analysis Multivariable analysis
Parameter OR 95 % CI OR 95 % CI
Non-respiratory season 4.1 2.67–6.35** 4.3 2.68–6.84**
Age <60 years 3.6 2.35–5.50** 2.9 1.83–4.66**
Male gender 1.5 1.00–2.33 1.7 1.06–2.71*
COPDa 0.2 0.09–0.39** 0.2 0.12–0.52**
Smokingb 1.6 1.01–2.64*   Excluded
  1. Abbreviations: OR odds ratio, CI confidence interval, COPD chronic obstructive pulmonary disease
  2. *Indicates a p-value <0.05; **Indicates a p-value < 0.001
  3. aIndicates four missing values; bIndicates 243 missing values