Despite considerable discussion, frailty remains to be systematically defined[ 6].
Despite considerable research on frailty, there is still debate on the nature, definition, prevalence, and the characteristics of older people in various frailty 'stages' [ 1, 3].
There is also considerable overlap with the concept of frailty which is also receiving increasing attention in the literature [ 62].
There is considerable debate over whether the FI can be used for frailty screening in daily primary care.
In part due to its syndromic nature, and despite considerable research efforts in the field, an operational definition of frailty that meets international consensus is still lacking [ 8- 13].
Among the many biological, physiological, social and psychosocial models on the possible causes and pathways of frailty [ 1, 11- 18], the one that has attracted considerable attention is the "phenotype of frailty" [ 1].
With regard to how deficit accumulation operates, the presence of an upper limit is of considerable interest, as it allows the evaluation of physiological redundancy in relation to frailty [ 32].
Since there was considerable divergence from the metric used in the CHS study to define the frailty phenotype, it was necessary to test the SHARE-adapted metric's prospective association with adverse outcomes in the SHARE population.
Comorbidity and frailty can make surgery undesirable, and risks of complications and recurrence are considerable.
As a considerable part of non-response in homecare clients might be due to physical impairments, frailty and/or length of the questionnaire, the shortening of the questionnaires might have a positive effect on the future response.
