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Global nursing competency scale in blood transfusion: development and psychometric validity.
Brenda Sousa da Conceição1, Arthur Feitosa Jacinto1, Elaine Cristina Negri2
1Federal University of Maranhão, Maranhão, Brazil.
BMC Nursing
|February 4, 2026
Summary
A new scale effectively measures nurses' overall competence in blood transfusion procedures. This validated instrument ensures accurate assessment for improved patient safety and nursing education in hemotransfusion care.
Area of Science:
- Nursing Science
- Health Professions Education
- Patient Safety
Background:
- Blood transfusion is a critical, high-risk nursing procedure.
- No validated tool existed to comprehensively assess nurses' global competence in transfusion.
- Lack of standardized measures hinders educational planning and safety policy development.
Purpose of the Study:
- To develop and psychometrically evaluate the Hemotransfusion Nursing Global Competence Scale.
- To create a tool measuring nurses' overall competence in the blood transfusion process.
- To provide a standardized measure for educational and evaluative purposes.
Main Methods:
- A psychometric study using Classical Test Theory across three phases.
- Item development (41 items) and content validation by 15 national experts.
- Psychometric evaluation with 529 nurses using factor analysis and reliability indicators.
Main Results:
- The scale demonstrated strong content validity with expert consensus.
- Factor analysis confirmed a robust unidimensional structure with excellent model fit.
- Exceptional reliability (Cronbach's α = 0.992, McDonald's ω = 0.999) and item retention.
Conclusions:
- The Hemotransfusion Nursing Global Competence Scale is a valid and reliable instrument.
- The scale accurately assesses nurses' integrated transfusion skills.
- It supports comprehensive evaluation in clinical practice and educational settings.
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