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Community-acquired pneumonia

Prevalence
Causes
Clinical features
Differential Diagnosis
Investigations
Therapy
Prevention
Prognosis
Clinical features

Ask about a history of
  • asthma a
  • dementia a
  • any immunosuppression a

Why?

Dementia and immunosuppression increase the risk of pneumonia

Patient Target Disorder and
Reference Standard		 Diagnostic Test LR+
(95% CI) 		Post-test Probability LR-
(95% CI) 		Post-test Probability
suspected pneumonia
a (pre-test probability: 5%) 		pneumonia
(chest X-ray) 		history of dementia 3.4
15% 0.94
 5%
    history of immunosuppression 2.2
10% 0.85
4%

 

Expiry date: July 2003
Levels of Evidence used in grading these guides

Author   CM   Ball
Reviewer   M   Kamei
CAT Writers   C   Ball , CJ   Wotton , B   Phillips