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functional status; performance status
The ability of a organism, organ system, organ or other body part to perform physiologic function(s) or actions.
The functional status of an individual is an important indicator of prognosis, regardless of the diagnosis.
Also see functional assessment.
Notes:
- performance status is the best predictor of prognosis in patients with advanced cancer [2]
- most cancer clinical trials are based on treatment of patients with good performance status [1]
- poor performance status in cancer patients may be due to
- comorbidities
- debilitation by cancer*
* in the latter case, aggressive treatment may benefit patient [1]
Related
functional assessment
functional improvement
Specific
functional status in hospitalized elderly
General
physiology
References
- Medical Knowledge Self Assessment Program (MKSAP) 18, 19.
American College of Physicians, Philadelphia 2018, 2021.
- Geriatric Review Syllabus, 11th edition (GRS11)
Harper GM, Lyons WL, Potter JF (eds)
American Geriatrics Society, 2022