This study is designed to validate the Japanese electronic florbetapir (18F) interpretation training program intended for post-approval implementation in Japan.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
DIAGNOSTIC
Masking
SINGLE
No Florbetapir (18F) will be administered in this study.
Research Site
Tokyo, Japan
Inter Rater Reliability
Measure of agreement among readers using a binary visual read method (amyloid positive/negative) calculated using Fleiss' kappa. All scans were read in a blinded fashion without access to clinical information.
Time frame: Scan acquired 50-60 minutes post injection
Percent Agreement with Expert Panel
Individual reader scan results will be compared to the expert panel's consensus rating for each scan.
Time frame: Scan acquired 50-60 minutes post-injection
Change in inter reader reliability after application of quantitation software
Evaluate the percent change in inter reader reliability after implementation of quantitation analysis.
Time frame: Scan acquired 50-60 minutes post injection
Change in agreement with expert panel
The percent change in individual reader agreement with the expert panel's consensus rating will determined after implementation of quantitation analysis.
Time frame: Scan acquired 50-60 minutes post-injection
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