When is cancer pain mild, moderate or severe? Grading pain severity by its interference with function

Ronald C Serlin¹, Tito R Mendoza, Yoshio Nakamura

¹Department of Educational Psychology, University of Wisconsin, Madison, WI 53706 USA Pain Research Group, Department of Neurology, University of Wisconsin, Madison, WI 53705 USA.

|May 1, 1995

Summary

This study establishes clear numerical boundaries for cancer pain severity, defining mild (1-4), moderate (5-6), and severe (7-10) pain based on functional interference. These findings aid in consistent pain assessment across diverse patient groups.

Area of Science:

Oncology
Pain Management
Psychometrics

Background:

Cancer pain significantly impacts patient quality of life.
Delineating pain severity is crucial for effective treatment and research.
Existing pain assessment tools may lack standardized functional interference measures.

Purpose of the Study:

To establish objective criteria for classifying cancer pain severity.
To explore the relationship between numerical pain ratings and functional interference.
To identify distinct levels of pain severity (mild, moderate, severe) based on functional impact.

Main Methods:

Utilized numerical rating scales for pain severity.
Assessed pain interference with daily functions (activity, mood, sleep).
Analyzed data to identify optimal cutpoints for pain severity categories across diverse cultural groups.

Main Results:

Identified specific numerical cutpoints for pain severity: mild (1-4), moderate (5-6), and severe (7-10).
Demonstrated a non-linear relationship between pain severity and functional interference.
Found consistent cutpoints across different national samples, with minor variations in specific interference items.

Conclusions:

The proposed cutpoints provide a standardized method for grading cancer pain severity.
These classifications can enhance clinical evaluations, epidemiological studies, and clinical trials.
The findings support the use of functional interference as a key variable in pain assessment.

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Related Experiment Videos

When is cancer pain mild, moderate or severe? Grading pain severity by its interference with function

Area of Science:

Background:

Purpose of the Study:

Main Methods:

Main Results:

Conclusions:

Related Concept Videos

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