https://www.selleckchem.com/mTOR.html
The SNOT-22 (22-item Sinonasal Outcome Test) is a high-quality outcome measure that assesses chronic rhinosinusitis-specific quality of life. The aim of this study was to gain greater insight into the information provided by the SNOT-22 by determining its item-based psychometric properties. Retrospective cohort study. Tertiary care academic centers. This study used a previously described data set of the SNOT-22 completed by 800 patients with chronic rhinosinusitis. Item response theory graded response models were used to determine parameters reflec
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