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Comparing the Performance Status Scale and MD Anderson Dysphagia Inventory as swallowing outcome measures in head and
M K Khan1, J Patterson2, S Owen1
1Freeman Hospital, Newcastle upon Tyne, UK.
Objectives:
To examine the relationship between the two disease-specific measures currently in use to assess swallowing outcomes following treatment in patients with head and neck cancer: the Performance Status Scale (PSS) and MD Anderson Dysphagia Inventory (MDADI).
Design:
A prospective cohort study.
Setting:
Four head and neck cancer multidisciplinary clinics in the North of England Cancer Network.
Participants:
114 patients with cancers of the upper aerodigestive tract.
Main Outcome Measure:
Measures of swallowing function administered prospectively across 4 timepoints
Results:
Spearman's correlation coefficients were used to measure the relationship between the two scales. There was statistically significant correlation between the two tools at pre-treatment (rs = 0.428, P < 0.000), 3 months post-treatment (rs = 0.454, P < 0.002), 6 months post-treatment (rs = 0.551, P < 0.000) and 12 months post-treatment (rs = 0.680, P < 0.000).
Conclusion:
This is the first prospective study comparing the MDADI and PSS questionnaires at multiple time points. Our study shows that these different instruments have a good relationship in measuring swallowing function in patients with head and neck cancer in short and medium term after treatment.
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