Related Experiment Videos
Rater agreement at lung scintigraphy after consensus training
F Christiansen1, T Andersson, H Rydman
1Department of Diagnostic Radiology, Orebro Medical Center Hospital, Sweden.
Acta Radiologica (Stockholm, Sweden : 1987)
|January 1, 1997
Summary
Consensus training did not significantly improve agreement rates for lung scintigraphy interpretation among experienced radiologists. Further training may require substantial resources without guaranteed improvement in diagnostic accuracy.
Area of Science:
- Nuclear medicine
- Diagnostic imaging
- Radiology
Background:
- Interpreting lung scintigraphy using the PIOPED criteria has shown perfect agreement with consensus training.
- Previous studies indicated lower agreement (kappa=0.54) between experienced raters without consensus training.
Purpose of the Study:
- To assess the impact of consensus training on inter-rater agreement for lung scintigraphy interpretation.
- To re-evaluate agreement rates in the same study population after implementing consensus training.
Main Methods:
- Two experienced raters interpreted lung scintigrams from 192 patients using PIOPED criteria post-consensus training.
- Raters reviewed 59 non-study cases for training to achieve consensus interpretation.
Main Results:
- The kappa value for agreement after consensus training was 0.57 (0.48-0.66).
- Discrepancies were minimal, with only 1.6% of cases having a two-category difference.
Conclusions:
- Consensus training did not significantly enhance agreement rates between experienced radiologists from different institutions.
- Achieving substantial inter-hospital agreement may necessitate significant resource allocation.