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Table 5 Multivariable linear regression model to predict total costs of hospitalisation in 361 patients with community-acquired pneumonia

From: Microbial aetiology, outcomes, and costs of hospitalisation for community-acquired pneumonia; an observational analysis

  Crude analysis Multivariable analysis
Independent variables B SE p-value B SE p-value
CONSTANT     3.558 0.023 <0.001
Male gender 0.009 0.032 0.77    
Chronic obstructive pulmonary disease 0.009 0.044 0.83    
Congestive heart failure 0.083 0.045 0.06    
Chronic renal disease 0.077 0.057 0.17    
Diabetes mellitus 0.047 0.045 0.30    
Pneumonia Severity Index classes IV-V 0.176 0.030 <0.001 0.158 0.030 <0.001
Hospital ‘Gelderse Vallei’ −0.063 0.042 0.13    
Pathogens:       
Streptococcus pneumoniae 0.070 0.038 0.07 0.067 0.036 0.07
Coxiella burnetii −0.198 0.058 0.001 −0.129 0.056 0.02
Haemophilus influenzae −0.047 0.087 0.59    
Legionella pneumophila 0.060 0.076 0.43    
Chlamydophila species 0.087 0.076 0.25    
Mycoplasma pneumoniae −0.179 0.134 0.18    
Staphylococcus aureus 0.358 0.148 0.02 0.362 0.140 0.01
Viral pathogen −0.046 0.064 0.48    
Other pathogen 0.163 0.073 0.03 0.131 0.070 0.06
No pathogen found −0.034 0.031 0.28    
  1. Prices are log-transformed and stated in euro.
  2. Abbreviations: B beta coefficient, SE standard error.
  3. Bold numbers are included in the final model (p < 0.10).