The Karnofsky Performance Status Scale (KPSS) is a clinical calculator used primarily in patients with cancer. It is a simple, numerical scale that measures a patient's functional status, ability to perform daily activities, and overall quality of life. The KPSS ranges from 0 (indicating death) to 100 (indicating perfect health). 

The clinical utility of the KPSS is to assess a patient's prognosis, determine appropriate treatment strategies, and monitor changes in a patient's condition over time. It is particularly useful in oncology for determining eligibility for certain treatments, such as chemotherapy or surgery, and for predicting survival outcomes. 

There are no specific exclusion criteria for the use of the KPSS. However, it is less useful in patients with non-cancer illnesses or in those with cognitive impairment who may not be able to accurately self-report their functional status.

Karnofsky Performance Scale

# Description:
The Karnofsky Performance Status Scale (KPSS) is a clinical calculator used primarily in patients with cancer. It is a simple, numerical scale that measures a patient's functional status, ability to perform daily activities, and overall quality of life. The KPSS ranges from 0 (indicating death) to 100 (indicating perfect health). 

The clinical utility of the KPSS is to assess a patient's prognosis, determine appropriate treatment strategies, and monitor changes in a patient's condition over time. It is particularly useful in oncology for determining eligibility for certain treatments, such as chemotherapy or surgery, and for predicting survival outcomes. 

There are no specific exclusion criteria for the use of the KPSS. However, it is less useful in patients with non-cancer illnesses or in those with cognitive impairment who may not be able to accurately self-report their functional status.
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# Inputs:
## Patient description
A. Normal, no complaints, no evidence of disease
B. Able to carry on normal activity, minor signs or symptoms of disease
C. Normal activity with effort, some signs or symptoms of disease
D. Cares for self, unable to carry on normal activity or to do active work
E. Requires occasional assistance but is able to care for most personal needs
F. Requires considerable assistance and frequent medical care
G. Disabled, requires special care and assistance
H. Severely disabled, hospital admission is indicated, death not imminent
I. Very sick, hospital admission necessary, active supportive treatment necessary
J. Moribund
K. Dead
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# Scoring:
- If A, then KPS 100%: able to carry on normal activity and to work; no special care needed
- If B, then KPS 90%: able to carry on normal activity and to work; no special care needed
- If C, then KPS 80%: able to carry on normal activity and to work; no special care needed
- If D, then KPS 70%: unable to work; able to live at home and care for most personal needs; varying amount of assistance needed
- If E, then KPS 60%: unable to work; able to live at home and care for most personal needs; varying amount of assistance needed
- If F, then KPS 50%: unable to work; able to live at home and care for most personal needs; varying amount of assistance needed
- If G, then KPS 40%: unable to care for self; requires equivalent of institutional or hospital care; disease may be progressing rapidly
- If H, then KPS 30%: unable to care for self; requires equivalent of institutional or hospital care; disease may be progressing rapidly
- If I, then KPS 20%: unable to care for self; requires equivalent of institutional or hospital care; disease may be progressing rapidly
- If J, then KPS 10%: unable to care for self; requires equivalent of institutional or hospital care; disease may be progressing rapidly
- If K, then KPS 0%
- If true, then Please make a selection)