Table 5

Relationship between infection and atypical pathogen, age, and severity

Number with atypical pathogen detected
Total (n=60)Age <75 years (n=42)Age ⩾75 years (n=18)
Total no of patients267155112
Total with atypical pathogen60 (22%)42 (27%)18 (16%)
Proportion with severe infection who had an atypical infection22/103 (21%)11/41 (27%)11/62 (18%)
Proportion with non-severe infection who had an atypical infection38/164 (23%)31/114 (27%)7/50 (14%)
Severe CAP (died)22 (2)11 (0)11 (2)5-150
Non-severe CAP (died)38 (1)31 (1)5-151 7 (0)

  • ↵5-150 Both patients had C pneumoniae as the sole pathogen detected. One man aged 90 died 7 days after hospital admission and another aged 78 died at home on day 29 having been previously discharged well.

  • ↵5-151 Travel associated L pneumophiliainfection.