Abstract
Objectives
The Lund-Mackay score is widely used in assessment of chronic rhinosinusitis. We aimed to describe its relationship to other measures of pre- and post-treatment health status.
Study Design
Multicenter prospective study of 1840 patients undergoing surgery for chronic rhinosinusitis in the UK.
Results
There was no absolute threshold for surgery, but patients with higher Lund-Mackay scores underwent more extensive surgery. There was no correlation between Lund-Mackay and SNOT-22 scores. The Lund-Mackay increased with increasing grade of polyposis. The Lund-Mackay score was associated with symptom reduction (coefficient = 0.24, P = 0.02) complication rates (odds ratio, 1.08, 95%CI 1.06 to 1.1), and revision rates (odds ratio, 1.03, 95% CI 1.001 to 1.06).
Conclusions
The Lund-Mackay score measures a different aspect of disease to “subjective” symptom scores. However, it correlates well with other markers of disease severity, the nature of surgery offered, and its outcome.
Significance
This demonstrates the strengths and limitations of a commonly used staging system.
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