Interrater agreement and reliability of the Bosniak classification for cystic renal masses version 2019
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View abstract on PubMed
Summary
This summary is machine-generated.The 2019 Bosniak classification for cystic renal masses showed similar interrater agreement to the 2005 version, but tended to downgrade cyst grades. Training may improve accuracy.
Area Of Science
- Radiology
- Urologic Oncology
- Medical Imaging Analysis
Background
- The Bosniak classification system categorizes cystic renal masses.
- Refinements in the 2019 version aimed to improve objectivity and interrater agreement.
- Validation of the 2019 Bosniak classification is necessary.
Purpose Of The Study
- To compare the interrater agreement between the 2005 and 2019 Bosniak classifications.
- To evaluate changes in cyst classification using the updated criteria.
Main Methods
- Eight radiology residents rated 40 cystic renal masses using both 2005 and 2019 Bosniak classifications.
- Interrater reliability was assessed using Fleiss' kappa.
- Changes in cyst grades between versions were analyzed using the Wilcoxon signed-rank test.
Main Results
- Interrater reliability was fair to moderate for both classifications (2005: κ=0.354; 2019: κ=0.373).
- The 2019 version resulted in a significant decrease in cyst grades, particularly for complex cysts.
- A trend of downgrading cyst grades was observed with the 2019 criteria.
Conclusions
- The 2019 Bosniak classification demonstrated comparable interrater agreement to the 2005 version.
- The updated classification led to a higher proportion of masses being downgraded.
- Enhanced training on the 2019 Bosniak classification may be beneficial for improving reliability and accuracy.
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