The scoring scale used may depend on patient population, disease, study goals and other criteria. Many definitions of the scale scoring do not match the standard.
What is Performance Status?
Performance status attempts to quantify the general well-being of cancer and other patients. The score measures their ability to perform ability to perform activities of daily life and is used to determine whether patients can receive certain treatments and whether dose adjustment is necessary.
Ongoing Discussion on "Performance Status Scoring" ... Join us
Ongoing community discussions for finding the right standards representation for your research study at the Performance Status Scoring discussion forum.
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To evolve performance status standards or improve community resources, go to the Standards Portal Standards and Discovery Wish List and make a request.
Search, Explore and Discover Performance Status Standards
Use portal DataViews
- Performance Status CDEs Complete View
- Performance Status CDEs Common Data Fields
- Standards Portal Preferred Content Vocabulary
to browse, search, sort, explore, drill-down and download standards that have been uploaded from caDSR to the Hub portal. DataViews provide direct links back to caDSR and the Term Browser, so find the CDEs, CRFs and Terminology of interest with DataViews, then click the links to go directly to the NCI standards content.
DataViews can also be used to "surface" important information for investigating characteristics of CDE and CRF standards, such as which CDEs share the same Data Element Concept (DEC).
Current Standards for Performance Status Scoring
|NAME||DESCRIPTION||AUTHORITATIVE RESOURCE||LINKS TO OTHER RESOURCES|
|These scales and criteria are used by doctors and researchers to assess how a patient's disease is progressing, assess how the disease affects the daily living abilities of the patient, and determine appropriate treatment and prognosis.||The Eastern Cooperative Oncology Group (ECOG) is one of the largest clinical cancer research organizations in the United States, and conducts clinical trials in all types of adult cancers. Eastern Cooperative Oncology Group
||ECOG / Zubrod Performance Status|
|Karnofsy Score||A standard way of measuring the ability of cancer patients to perform ordinary tasks. The Karnofsky Performance scores range from 0 to 100. A higher score means the patient is better able to carry out daily activities. KPS may be used to determine a patient's prognosis, to measure changes in a patient's ability to function, or to decide if a patient could be included in a clinical trial.|| Karnofsky Performance Status
National Cancer Institute at the National Institutes of Health
|Karnofsky performance status revisited: reliability, validity, and guidelines.
Appraisal of the Karnofsky Performance Status and proposal of a simple algorithmic system for its evaluation
|Lansky Score||The performance status of the child with cancer is an important outcome consideration in pediatric oncology research and practice. However, no single measure for children has been available. This is a report of the development and standardization of such a scale. The play—performance scale for children is a parent-rated instrument which records usual play activity as the index of performance.||The measurement of performance in childhood cancer patients
Shirley B. Lansky MD, Marcy A. List PhD, Lester L. Lansky MD, Chris Ritter-Sterr MS,RN, Denis R. Miller MD
Relationships Among Standards: Practical Tools for Comparison
TOOL 1: From the European Society for Medical Oncology (ESMO)
Performance Scales: Karnofsky & ECOG Scores
TOOL 2: From the CIBMTR:
Karnofsy/Lansky Performance Status
Some transplant centers may prefer to collect and use the ECOG performance score as opposed to the Karnofsky/Lansky score.
TOOL 3: Can Karnofsky performance status be transformed to the Eastern Cooperative Oncology Group scoring scale and vice versa?
There is no consensus regarding the equivalence of performance status between the Karnofsky (KPS) and the Eastern Cooperative Oncology Group (ECOG) scales. In the present study KPS and ECOG scores were compared in 150 consecutive cancer patients. An empirical relation was established through regression analysis in a subsample of 75 patients and the results tested in the second subsample. Transformation tables including 95 and 66% confidence intervals were calculated. Both performance scales are highly correlated, but inferences about individual patients were subject to a high level of error. These results stress the difficulty of translating one score to another, especially in the range of lower performance status where a wide spread is observed.
TOOL 4: KARNOFSKY PERFORMANCE STATUS SCALE DEFINITIONS RATING (%) CRITERIA
The Karnofsky Performance Scale Index allows patients to be classified as to their functional impairment. This can be used to compare effectiveness of different therapies and to assess the prognosis in individual patients. The lower the Karnofsky score, the worse the survival for most serious illnesses.
TOOL 5: From HemOnc.org
A Hematology/Oncology Reference Performance Status Comparisons
ITMIG International Database: legacy data and mapping to the standard
| From the International Thymic Malignancy Interest Group.
To the right is the part of the "Initial Presentation" Case Report Form (CRF) used by the ITMIG Prospective Database. that includes performance status data elements. The data elements do not conform completely to the NCI Zubrod/ECOG performance status standard, but can easily be made compliant to the standards.with some small changes .
The required changes can be identified by searching the data views at this standards portal. The relevant information is shown to the right of the screenshot.
| Use the portal DataViews to compare and investigate
- Ask and answer questions at the Performance Status Scoring Discussion Forum.
- Help evolve the NCI standards by making requests through the Standards Discovery Wish List.
- Add your own experiences at Standards Portal Wiki or Standards Portal Blog.
References to Peer-reviewed Journals
British Journal of Cancer: Performance status assessment in cancer patients. An inter-observer variability study
European Journal of Cancer: Karnofsky and ECOG performance status scoring in lung cancer: A prospective, longitudinal study of 536 patients from a single institution
Journal of the National Cancer Institute: The European Organization for Research and Treatment of Cancer QLQ-C30: a quality-of-life instrument for use in international clinical trials in oncology
Journal of Clinical Oncology: The Functional Assessment of Cancer Therapy scale: development and validation of the general measure.
Cite this work
Researchers should cite this work as follows: