An antibiotic prescription induces resistance at the individual level more than the group level.

infection-related hospitalization was reviewed to ensure it was not hospital acquired. This study, however, was conducted among patients discharged from GDH. This selection bias may affect the generalizability of our results. However, our study results could be applied to similarly frail older adults in geriatric clinics and hospitals. In conclusion, we found that nursing home residence is an independent risk factor for recurrent infection-related hospitalization in older adults. Enhanced infection control measures should be strengthened to reduce infection and the consequent hospitalization.