Differences in etiology of pneumonias in nursing home and community patients

JAMA. 1978 Nov 10;240(20):2169-72.


Comparison of 35 elderly patients hospitalized with pneumonia acquired in nursing homes and 35 elderly patients hospitalized with community-acquired pneumonia showed that 16 (47.1%) of the nursing home patients had received previous antibiotic therapy compared with two (5.9%) of the community patients. Klebsiella pneumoniae was isolated in 14 (40%) of the nursing home patients, but in only three (8.6%) of the community patients. Staphylococcus aureus was also more frequent in nursing home patients (nine, 25.7%) compared with community patients (five, 14.3%). Persons hospitalized with nursing home-acquired pneumonia should be treated initially with antimicrobial agents active against K pneumoniae and S aureus unless the clinical picture strongly suggests otherwise.

Publication types

  • Comparative Study

MeSH terms

  • Age Factors
  • Aged
  • Bacterial Infections / complications*
  • Bacterial Infections / mortality
  • Hospitalization
  • Humans
  • Klebsiella pneumoniae / isolation & purification
  • Nursing Homes*
  • Pneumonia / drug therapy
  • Pneumonia / etiology*
  • Pneumonia / microbiology
  • Quality of Health Care*
  • Risk
  • Staphylococcus aureus / isolation & purification