Risk factors for nosocomial pneumonia in the elderly

The American Journal of Medicine
G A HarknessK J Roghmann

Abstract

Pneumonia is now the second most frequent hospital-acquired infection in acute-care facilities, and recent studies indicate that the incidence rate for nosocomial pneumonia in long-term-care facilities is of similar magnitude. The mortality rate is high, especially in the elderly. With prevention of this complication as an overall priority, this study was designed to determine the risk factors associated with nosocomial pneumonia in the elderly in both acute-care and long-term-care settings. An epidemiologic case-control study was undertaken to compare patients or residents who developed radiographically confirmed pneumonia with control subjects who did not have and did not develop respiratory infection. Thirty-three cases were identified in the acute-care setting during the 18-week period, and 27 cases were identified in the long-term-care setting. Two matched controls were chosen for each case. Data collection involved review of the medical record and verification by medical personnel while the cases or controls were still institutionalized. Risk factor variables were analyzed using an odds ratio and 95% confidence interval calculation for matched triplets, and chi-square analysis. Selected risk factors were entered into a ba...Continue Reading

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