ECOG and Karnofsky Performance Status
ECOG performance status (Oken 1982; 0-5) with the Karnofsky Performance Status (Karnofsky 1949; 0-100) and their descriptors, cross-walked per Buccheri 1996.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- ECOG performance status
- 0
- Karnofsky Performance Status
- 100
Result: ECOG 0 / KPS 100 - fully active; no evidence of disease.
The tool opens with these values already filled in. Replace them with your own.
What the result means
- ECOG 0 / KPS 100-90
- Fully active per Oken 1982 / Karnofsky 1949.
- ECOG 1 / KPS 80-70
- Ambulatory; restricted in strenuous activity per Oken 1982 / Karnofsky 1949.
- ECOG 2 / KPS 60-50
- Self-care but unable to work; up >50% of waking hours.
- ECOG 3 / KPS 40-30
- Limited self-care; confined to bed or chair >50% of waking hours.
- ECOG 4 / KPS 20-10
- Completely disabled; totally confined.
- ECOG 5 / KPS 0
- Dead.
What you enter
- ECOG performance status (0 fully active ... 5 dead)
- Karnofsky Performance Status
How this is calculated
ECOG: Oken MM, et al. Am J Clin Oncol. 1982;5(6):649-655. Karnofsky: Karnofsky DA, Burchenal JH. In: MacLeod CM, ed. Evaluation of Chemotherapeutic Agents. Columbia University Press; 1949:191-205. Crosswalk: Buccheri G, et al. Eur J Cancer. 1996;32A(7):1135-1141. Read the sources: Oken 1982 (ECOG) ↗, Buccheri 1996 (crosswalk) ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.