The Sarcoma Assessment Measure (SAM): Preliminary Psychometric Validation of a Novel Patient-Reported Outcome...

Area of Science:

• Oncology
• Patient-Reported Outcomes
• Psychometrics

Background:

• Sarcoma patients require specific outcome measures.
• Existing tools may not capture unique patient concerns.
• The Sarcoma Assessment Measure (SAM) was developed collaboratively.

Purpose of the Study:

• To report the preliminary validation of the Sarcoma Assessment Measure (SAM).
• To assess SAM's psychometric properties and clinical utility.

Main Methods:

• Administered the 22-item SAM alongside quality of life and activities of daily living measures.
• Utilized linear modeling for predictive validity analysis.
• Included 762 patients with diverse sarcoma types (soft tissue and bone).

Main Results:

• SAM demonstrated preliminary validity and predictive utility.
• SAM accounted for 35% of global quality of life and 18% of TESS.
• SAM captured distinct patient concerns not measured by other tools.

Conclusions:

• SAM is a psychometrically sound patient-reported outcome measure for sarcoma.
• SAM has utility in clinical care and research for assessing sarcoma impact.
• Further validation with larger, diverse samples is recommended.