Table 4

Clinical comparison of pneumonia patients with Chlamydia pneumoniae as sole pathogen and C. pneumoniae plus copathogens

C. pneumoniae aloneC. pneumoniae plus copathogens
Male sex8 (50.0)17 (65.4)
Age yrs70.6±19.265.1±13.7
6–15-yr-olds in household0.0±0.00.2±0.4*
Smoking status
 Never smoker5 (33.3)2 (7.7)**
 Past smoker9 (60.0)12 (46.2)**
 Current smoker1 (6.7)12 (46.2)**
Hospital stay days#9.00±7.307.58±3.49
  • Data are presented as n (%) or mean±sd

  • #: four outliers with hospital stays of 39, 43, 93 and 172 days were excluded. Three of the four patients had C. pneumoniae plus copathogens. All four outlier patients had other chronic illness and underlying respiratory disease, all had single lobar pneumonia based on chest radiography and two were admitted to the intensive care unit. Three of the four patients had their hospital discharge delayed due to other medical conditions

  • *: p<0.05 (unpaired t‐test)

  • **: p<0.01 (Pearson Chi-squared test)