Karnofsky Score
A clinical estimate of a patient’s physical state, performance, and prognosis:
| 100% |
Perfectly well |
| 90% |
Minor symptoms (can live a normal life) |
| 80% |
Normal activity with some effort |
| 70% |
Unable to carry on normal activity, but can care for oneself |
| 60% |
Requires occasional help with personal needs |
| 50% |
Disabled |
| 40% |
Nursing assistance and medical care, but is not hospitalised |
| 30% |
Severely disabled, in hospital |
| 20% |
Very sick (active support needed) |
| 10% |
Moribund |
| 0% |
Dead |
The Karnofsky scale was developed in the 1940s by David A. Karnofsky and Joseph Burchenal to measure subjective aspects of the outcome of cancer treatment.
Reference
Schag CC, Heinrich RL, Ganz PA. Karnofsky performance status revisited: Reliability, validity, and guidelines. J. Clin. Oncol. 1984; 2: 187-93.