Prognosis
Generally, the clinical outcome in patients with community-acquired pneumonia (including those with atypical bacterial pneumonia) can be predicted according to the initial severity of illness. Mortality rates in patients with less serious disease who are managed as outpatients are under 1%. However, patients with more serious disease, especially those who do not respond to initial therapy, may have mortality rates as high as 50%.[18]Metlay JP, Waterer GW, Long AC, et al. Diagnosis and treatment of adults with community-acquired pneumonia: an official clinical practice guideline of the American Thoracic Society and Infectious Diseases Society of America. Am J Respir Crit Care Med. 2019 Oct 1;200(7):e45-67.
https://www.atsjournals.org/doi/full/10.1164/rccm.201908-1581ST
http://www.ncbi.nlm.nih.gov/pubmed/31573350?tool=bestpractice.com
Additionally, patients in long-term care facilities may be prone to respiratory disease outbreaks and mortality.[94]Hastings DL, Harrington KJ, Kutty PK, et al. Mycoplasma pneumoniae outbreak in a long-term care facility - Nebraska, 2014. MMWR Morb Mortal Wkly Rep. 2015 Mar 27;64(11):296-9.
https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6411a2.htm
http://www.ncbi.nlm.nih.gov/pubmed/25811678?tool=bestpractice.com