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Pilot Study of a Patient-Centered Radiology Process Model.

J Shannon Swan¹, Vanessa F Furtado², Lisa A Keller³

¹Massachusetts General Hospital (MGH) Institute for Technology Assessment, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts.

Journal of the American College of Radiology : JACR

|December 9, 2016

Summary

This summary is machine-generated.

The Radiology Process Model (RPM) shows promising psychometric validity and reliability in a pilot study. This patient survey tool for interventional radiology experiences is undergoing refinement for broader application.

Keywords:

Patient experience patient-centered care psychometrics quality of life

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Area of Science:

Radiology
Patient Experience Measurement
Psychometrics

Background:

The Radiology Process Model (RPM) conceptual framework and survey items were previously established.
This study details the initial field application and psychometric evaluation of the RPM.

Purpose of the Study:

To pilot the Radiology Process Model (RPM) survey in an outpatient interventional radiology setting.
To conduct an initial psychometric analysis of the RPM survey data.

Main Methods:

A pilot RPM survey with 24 items was administered to 100 patients undergoing interventional radiology procedures.
Psychometric analysis included assessment of missing data, item clarity, factor analysis, internal consistency (Cronbach's alpha), and construct validity via correlation with a visual analog scale (VAS).

Main Results:

The RPM summated scale strongly correlated with the VAS (r=0.7), indicating good construct validity.
Factor analysis identified four key patient experience domains: facility/staff interactions, time sensitivity, pain, and anxiety.
The RPM demonstrated high internal consistency (alpha=0.86 overall, 0.7-0.9 by factor).

Conclusions:

The pilot application provides initial evidence for the psychometric validity and internal consistency reliability of the RPM.
Minor revisions to the survey items are anticipated prior to wider implementation.