We have found the SNOT-22 to be valid and easy to use. It can be used to facilitate routine clinical practice to highlight the impact of chronic rhinosinusitis on the patient's quality of life, and may also be used to measure the outcome of surgical intervention. The minimally important difference allows us to interpret scores in a clinical context, and may help to improve patient selection for surgery.
Due to the scewed nature of the data, the median score (7) is taken as the normal SNOT 22 score. We recommend that in an clincial situation a SNOT 22 score of 7 be used a a guide for "normal", and that care should be taken when suggesting treatment on patients with a score below this level.
The cost of an operating microscope suitable for use with dewaxing is approximately 10 times that of a suitable endoscope, dewaxing is a cheaper alternative to microscopic dewaxing that has benefits for the patient and clinician.
Disease-free hearing was better with CWU-surgery, less initial ossicular damage, and better pre-operative hearing. Worse initial disease increased the likelihood of CWD surgery. Wider use of ossiculoplasty in the CWU cohort (51 per cent vs 5 per cent) may partially explain the superior results.
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