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Open Access 01-04-2011 | Chest

Modified Chrispin-Norman chest radiography score for cystic fibrosis: observer agreement and correlation with lung function

Authors: P. A. de Jong, J. A. Achterberg, O. A. M. Kessels, B. van Ginneken, L. Hogeweg, F. J. Beek, S. W. J. Terheggen-Lagro

Published in: European Radiology | Issue 4/2011

Abstract

Objective

To test observer agreement and two strategies for possible improvement (consensus meeting and reference images) for the modified Chrispin-Norman score for children with cystic fibrosis (CF).

Methods

Before and after a consensus meeting and after developing reference images three observers scored sets of 25 chest radiographs from children with CF. Observer agreement was tested for line, ring, mottled and large soft shadows, for overinflation and for the composite modified Chrispin-Norman score. Correlation with lung function was assessed.

Results

Before the consensus meeting agreement between observers 1 and 2 was moderate-good, but with observer 3 agreement was poor-fair. Scores correlated significantly with spirometry for observers 1 and 2 (−0.72<R<−0.42, P < 0.05), but not for observer 3. Agreement with observer 3 improved after the consensus meeting. Reference images improved agreement for overinflation and mottled and large shadows and correlation with lung function, but agreement for the modified Chrispin-Norman score did not improve further.

Conclusion

Consensus meetings and reference images improve among-observer agreement for the modified Chrispin-Norman score, but good agreement was not achieved among all observers for the modified Chrispin-Norman score and for bronchial line and ring shadows.

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Title: Modified Chrispin-Norman chest radiography score for cystic fibrosis: observer agreement and correlation with lung function
Authors: P. A. de Jong
J. A. Achterberg
O. A. M. Kessels
B. van Ginneken
L. Hogeweg
F. J. Beek
S. W. J. Terheggen-Lagro
Publication date: 01-04-2011
Publisher: Springer-Verlag
Published in: European Radiology / Issue 4/2011
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-010-1972-7

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Modified Chrispin-Norman chest radiography score for cystic fibrosis: observer agreement and correlation with lung function

Abstract

Objective

Methods

Results

Conclusion

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Objective

Methods

Results

Conclusion

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