Older adults' health and functional status are heterogeneous because of the various cumulative effects of chronic diseases and physiologic decline, contributing to a vicious cycle of increased frailty 1-4. Thanks to advances in medicine and hygiene, a growing number of older adults spend more years with a greater range of chronic diseases causing disability but not mortality 5. Health systems need to face this new challenge 4,5. Quantification of frailty and its association with the occurrence of incident adverse health events (i.e., functional decline, unplanned hospitalizations) is crucial to understand how health systems may efficiently respond to this situation 6. This study aims to examine the association of the ER2 tool score and its stratification in three levels for incident adverse health events in older community dwellers and to compare this association with three validity frailty indexes which are the Cardiovascular Health Study (CHS) frailty index, Study of Osteoporotic Fracture (SOF) index and Rockwood frailty index.
Study Type
OBSERVATIONAL
Enrollment
1,741
Statistical analyses
ER2
6-item questionnaire determining a stratification of frailty risk in three levels (Low, moderate, high)
Time frame: 4 years
SOF index
index with 3 items determining a level of frailty from 0 (patient is vigorous) to 1 (patient is pre-frail)
Time frame: 4 years
CHS index
index with 5 items determining a level of frailty from 0 component positive (patient is vigorous), 1 or 2 positive components (patient is in an intermediate stage) to 3 or more positive components (patients is frail)
Time frame: 4 years
Rockwood index
index determining a level of frailty from 0 to 17 (less than 5: patient is vigorous, between 6 and 11 patient is apparently vulnerable and above 12 patient is in severe frailty)
Time frame: 4 years
Physical functional decline
annual variation of physical functional score available in the Nuage database
Time frame: 4 years
Falls
presence or absence of falls, information available in the Nuage database
Time frame: 4 years
Hospitalizations
presence or absence of hospitalizations, information available in the Nuage database
Time frame: 4 years
Mortality
death of the participant, information available in the Nuage database
Time frame: 4 years
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