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Table 1 Karnofsky performance status

From: Appraisal of the Karnofsky Performance Status and proposal of a simple algorithmic system for its evaluation

Condition

Percentage

Comments

A: Able to carry on normal activity and to work. No special care is needed.

100

Normal, no complaints, no evidence of disease.

90

Able to carry on normal activity, minor signs or symptoms of disease.

80

Normal activity with effort, some signs or symptoms of disease.

B: Unable to work. Able to live at home, care for most personal needs. A varying degree of assistance is needed.

70

Cares for self, unable to carry on normal activity or to do active work.

60

Requires occasional assistance, but is able to care for most of his needs.

50

Requires considerable assistance and frequent medical care.

C: Unable to care for self. Requires equivalent of institutional or hospital care. Disease may be progressing rapidly.

40

Disabled, requires special care and assistance.

[In bed more than 50% of the time].

30

Severely disabled, hospitalization is indicated although death not imminent.

[Almost completely bedfast].

20

Hospitalization necessary, very sick, active supportive treatment necessary.

[Totally bedfast and requiring extensive nursing care by professionals and/or family].

10

Moribund, fatal processes progressing rapidly.

[Comatose or barely arousable].

0

Dead.

  1. The unbracketed text is the original text of Karnofsky and Burchenal, 1949, while in square brackets [], the newly formulated KPS values 40% - 10% of Abernethy et al., 2005, may be found.