biostudies-literatureHamaya HMinistry of Health, Labour and WelfareJapan Agency for Medical Research and Development404-409https://www.ebi.ac.uk/biostudies/studies/S-EPMC11503537biostudies-literatureUnknown24(4)<h4>Aim</h4>The purpose of the present study was to clarify the association of pneumonia admission with polypharmacy and specific drug use in community-dwelling older people.<h4>Methods</h4>Using health insurance and long-term care insurance data from Kure city in Japan, we retrospectively collected data for older community-dwelling people (aged ≥65 years) from April 2017 to March 2019. The outcome was pneumonia admission. We carried out multivariate logistic regression analysis to identify the association of pneumonia admission with polypharmacy (≥5 drugs), the use of psychotropic drugs or anticholinergics with adjustment for patient backgrounds, such as comorbidity, and the daily life independence level for the older people with disability.<h4>Results</h4>Of 59 040 older people, 4017 (6.Geriatrics & gerontology internationalAssociation of pneumonia admission with polypharmacy and drug use in community-dwelling older people.PMC1150353720ek0210107h003H30-Ninchisho-Ippan-001H30‐Ninchisho‐Ippan‐001Hattori YAkishita MKojima THamaya HfalseAssociation of pneumonia admission with polypharmacy and drug use in community-dwelling older people.<h4>Aim</h4>The purpose of the present study was to clarify the association of pneumonia admission with polypharmacy and specific drug use in community-dwelling older people.<h4>Methods</h4>Using health insurance and long-term care insurance data from Kure city in Japan, we retrospectively collected data for older community-dwelling people (aged ≥65 years) from April 2017 to March 2019. The outcome was pneumonia admission. We carried out multivariate logistic regression analysis to identify the association of pneumonia admission with polypharmacy (≥5 drugs), the use of psychotropic drugs or anticholinergics with adjustment for patient backgrounds, such as comorbidity, and the daily life independence level for the older people with disability.<h4>Results</h4>Of 59 040 older people, 4017 (6.2024-01-01T00:00:00Z2024 Apr2025-04-04T01:25:17.145Z2025-04-04T01:25:17.145ZS-EPMC115035373849733310.1111/ggi.14860