Claimed-based frailty index in Japanese older adults: a cohort study using LIFE Study.
Kiyomasa NakatsukaRei OnoShunsuke MurataToshihiro AkisueHaruhisa FukudaPublished in: Journal of epidemiology (2023)
This study suggests that CFI can be implemented in Japanese claims data by predicting the certification of LTC insurance and mortality.