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Karnofsky Performance Scale
Please visit this website for more information about the instrument: Karnofsky Performance Status Scale
Exploratory: Myalgic encephalomyelitis/Chronic fatigue syndrome (ME/CFS)
Short Description of Instrument
The Karnofsky Perfomance Status Scale is an assessment of patient’s functional status, from normal to dead. The scale assesses items such as signs and symptoms of disease, activity level, ability, assistance required and hospitalization.
The scale is scored from 0 to 100 in units of 10. A higher score indicates better functional ability.
Karnofsky DA, Burchenal JH, Armistead GC, Southam CM, Bernstein JL, Craver LF, Rhoads CP. Triethylene melamine in the treatment of neoplastic disease. Arch Intern Med. 1951;87:477–516.
Mor V, Laliberte L, Morris JN, Wiemann M. The Karnofsky Performance Status Scale. An examination of its reliability and validity in a research setting. Cancer. 1984;53(9):2002–2007.
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