Validating the use of report-derived Lund-Mackay scores

May Thwin, Erik Kent Weitzel, Kevin Christopher McMains, Theodore Athanasiadis, Alkis Psaltis, John Field, Peter John Wormald

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


Background: The Lund-MacKay score (LMS) is the standard for communicating radiological extent of chronic rhinosinusitis in research. However, retrospective analyses are often hindered by a substantial lack of radiological data. Calculating LMS from radiologists' reports may overcome this but has not been formally validated. Methods: Twenty South Australian and 20 Texan patients with varying degrees of sinus disease were randomly chosen to undergo analysis. CT-derived LMSs were calculated directly by two expert rhinologists at each institution and compared with scores derived solely from accompanying radiology reports by two blinded reviewers. Results: The total LMS obtained via the expert rhinologists correlated very highly with that obtained from radiology reports (Spearman rank correlation, 0.75-0.88; p < 0.001). However, when individual sinuses were specifically analyzed, the correlation was highly variable. Conclusion: The results show that in both South Australian and Texan tertiary rhinology centers, radiologists' reports can be reliably used to calculate the total LMS.

Original languageEnglish (US)
Pages (from-to)33-35
Number of pages3
JournalAmerican Journal of Rhinology and Allergy
Issue number1
StatePublished - Jan 2009
Externally publishedYes


  • CT scans
  • Chronic sinusitis
  • Disease severity
  • Lund and MacKay score
  • Outcome measures
  • Radiology reports
  • Retrospective data

ASJC Scopus subject areas

  • Immunology and Allergy
  • Otorhinolaryngology


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