Frailty determined by the Questionnaire for Medical Checkup of Old-Old is correlated with increased healthcare cost: Using the Japanese health insurance database system.
Tomoki TanakaYasuyo YoshizawaKayo KitamuraKenji SugayaKiyoko MiyajimaMayumi TsuneokaBo-Kyung SonWeida LyuKazuyo TsushitaKatsuya IijimaPublished in: Geriatrics & gerontology international (2023)