Evaluation of strategies for increasing response rates to postal questionnaires in quality control of nasal septal surgery
Abstract Background Postal questionnaires are often used to assess the results of mushroom wall decal nasal septoplasty, but response rates vary widely.This study assesses strategies designed to increase the response rate.Methods Postoperative questionnaires using visual analogue scales (VAS) for nasal obstruction were mailed to 160 consecutive pat