Influence of age on the clinical differentiation of atypical pneumonia in adults

Respirology : Official Journal of the Asian Pacific Society of Respirology
Naoyuki MiyashitaNiro Okimoto

Abstract

The Japanese Respiratory Society (JRS) scoring system is a useful tool for the early and simple presumptive diagnosis of atypical pneumonia (Mycoplasma pneumoniae and Chlamydia pneumoniae pneumonia). However, it has been suggested that it is difficult to diagnose atypical pneumonia in the elderly using this system. In the present study, we evaluated the accuracy and usefulness of the JRS scoring system for diagnosing atypical pneumonia in different age groups. Cases of M. pneumoniae (n = 262), C. pneumoniae (n = 98) and common bacterial pneumonia (n = 364) were analysed. For both atypical pneumonias, the frequency of comorbid illnesses and being in a higher risk category were significantly greater in elderly (age ≥60 years) than in non-elderly patients (age <60 years). One or more additional aetiological factors were more frequently present in elderly than in non-elderly patients. The diagnostic sensitivity and specificity for atypical pneumonia were 39% and 88%, respectively, in the elderly group, and 86% and 88%, respectively, in the non-elderly group. When the patients were stratified into 10-year age groups, the diagnostic sensitivity was highest in the 18- to 29-year age group and decreased from the youngest to the oldest ...Continue Reading

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Citations

Mar 15, 2014·Current Opinion in Pulmonary Medicine·Marina BasarabCarmel M Curtis
Jan 16, 2013·Respirology : Official Journal of the Asian Pacific Society of Respirology·José M PorcelPyng Lee
Mar 31, 2015·Journal of Infection and Chemotherapy : Official Journal of the Japan Society of Chemotherapy·Naoyuki MiyashitaNiro Okimoto
Apr 30, 2013·Journal of Infection and Chemotherapy : Official Journal of the Japan Society of Chemotherapy·Naoyuki MiyashitaNiro Okimoto
Dec 24, 2014·Journal of Infection and Chemotherapy : Official Journal of the Japan Society of Chemotherapy·Naoyuki MiyashitaNiro Okimoto
Jan 25, 2013·Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine·Naoyuki Miyashita
Jan 24, 2014·Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine·Naoyuki Miyashita
Mar 29, 2014·The Journal of Immunology : Official Journal of the American Association of Immunologists·Dana N MitzelHeather W Stout-Delgado
May 3, 2014·Kansenshōgaku zasshi. The Journal of the Japanese Association for Infectious Diseases·Yumi YamadaYoshihiro Fujiue
May 4, 2018·Geriatrics & Gerontology International·Naoki KawakamiHideki Yuki
Jun 2, 2018·MMW Fortschritte der Medizin·Rika DraenertJohannes Bogner
Nov 4, 2017·American Journal of Physiology. Lung Cellular and Molecular Physiology·Soo Jung ChoHeather W Stout-Delgado

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