@article{Wangworawut_Hwang_2021, title={Modified Lund-Kennedy Score as A Predictor for Significant Symptom Improvement After Endoscopic Sinus Surgery Short Title: MLK Score as A Predictor for SSI After ESS}, volume={21}, url={https://asianmedjam.com/index.php/amjam/article/view/266}, abstractNote={Background: Currently, there is no pre-operative parameters which can predict operative outcome of endoscopic sinus surgery. In this study, we evaluated the efficacy of the Modified Lund-Kennedy (MLK) endoscopic score as a predictor for significant symptom improvement (SSI) after surgery. Method: We performed retrospective review of 293 patients who underwent endoscopic sinus surgery for chronic rhinosinusitis at the Stanford Sinus Center from 2015 to 2018. Demographic data, duration of disease, and pre- and post-operative SNOT-22 scores were reviewed. Pre-operative MLK endoscopic score, and Lund-Mackay CT score were also collected. We defined SSI after surgery as a postoperative improvement &gt; 9 in the SNOT-22 score, the MCID. Result: The median MLK score in the SSI group was 4 versus 2 in the non-SSI group. On average, for every one point increase in the MLK, there was a 2% increase in rate of achieving SSI (P &lt; 0.05). The likelihood of achieving SSI varied differentially within subsets of MLK scores. For MLK scores ≤ 2, each one point increase in MLK score was associated with a nonsignificant 0.2% decrease in the SSI rate. The greatest improvement in SSI rate was observed between MLK scores of 2 and 3, with a 14.62% increase in the SSI rate. For every one point increase in the MLK scores ≥ 3, there was a 1.11% increase in SSI rate (P &lt; 0.05). Conclusion: Pre-operative MLK score correlates with SSI after ESS. A MLK score of 3 appears to be an important breakpoint for higher rates of achieving SSI after ESS.}, number={2}, journal={Asian Medical Journal and Alternative Medicine}, author={Wangworawut, Yossawee and Hwang, Peter H.}, year={2021}, month={Aug.}, pages={106–113} }