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Swallowing function after treatment for early-stage OPC
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Figure 1 Adjusted Poisson regression analysis (adjusted for age, gender, ACE-27, smoking status, tumour site, TNM-stage, HPV-status and pre-treatment swallowing problems) of self-reported swallowing and secondary functional outcomes at 4- and 12-month follow-up grouped by intended surgery (reference) and RT. Answers to questions of the EORTC-QLQ-H&N35 questionnaire were dichotomized into no problems (‘not at all’ and ‘a little’) and problems (‘quite a bit’ and ‘very much’).
