{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T01:56:56Z","timestamp":1777427816565,"version":"3.51.4"},"reference-count":33,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2021,9,8]],"date-time":"2021-09-08T00:00:00Z","timestamp":1631059200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Ann Otol Rhinol Laryngol"],"published-print":{"date-parts":[[2022,7]]},"abstract":"<jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>Patients with subglottic stenosis (SGS) present with varied degree of breathing complaints. The dyspnea index (DI) is a 10-question patient-reported outcome measure designed to measure the severity of upper airway obstruction. We set out to determine whether pulmonary function tests or clinician-reported degree of stenosis best predicted DI scores.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Thirty patients with SGS were retrospectively reviewed over a 6-year period. One visit from each patient was included. Data including peak expiratory flow rate (PEFR), body-mass index (BMI), clinician-reported degree of stenosis, and DI scores were reviewed. Multiple linear regression was performed to determine how degree of stenosis and PEFR % predicted the variation in DI score.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>PEFR % better predicted DI scores compared to degree of stenosis (partial correlation \u22120.32 vs 0.17). After stepwise elimination, PEFR % remained in the regression and was significantly associated with DI scores ( F[1, 29]\u2009=\u20099.38, P\u2009=\u2009.005). BMI did not demonstrate a linear relationship with DI scores and was not included in the regression ( r\u2009=\u2009\u2212.02). The PEFR % unstandardized coefficient was \u22120.25 (95% CI: \u22120.42 to \u22120.08, P\u2009=\u2009.005). The model predicts that a 4% increase in the PEFR % results in a 1-point decrease in the DI score (95% CI: \u22121.68 to \u22120.32).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>This study suggests that pulmonary function tests may be a better in-office measure to substantiate the severity of symptoms in patients with SGS.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/00034894211045266","type":"journal-article","created":{"date-parts":[[2021,9,9]],"date-time":"2021-09-09T01:14:10Z","timestamp":1631150050000},"page":"791-796","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Pulmonary Function Tests May Better Predict Dyspnea-Severity in Patients with Subglottic Stenosis Compared to Clinician-Reported Stenosis"],"prefix":"10.1177","volume":"131","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8933-5477","authenticated-orcid":false,"given":"Neel K.","family":"Bhatt","sequence":"first","affiliation":[{"name":"Department of Otolaryngology\u2014Head and Neck Surgery, School of Medicine, University of Washington, St Louis, MO, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Valerie P.","family":"Huang","sequence":"additional","affiliation":[{"name":"Tina and Rick Caruso Department of Otolaryngology\u2014Head and Neck Surgery, University of Southern California, Los Angeles, CA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Caitlin","family":"Bertelsen","sequence":"additional","affiliation":[{"name":"Southern California Ear, Nose and Throat, Long Beach, CA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"William Z.","family":"Gao","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology\u2014Head and Neck Surgery, Georgetown University Medical Center, Washington, DC, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lindsay S.","family":"Reder","sequence":"additional","affiliation":[{"name":"Southern California Permanente Medical Group, Kaiser Permanente Baldwin Park, Baldwin Park, CA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"suffix":"III","given":"Michael M.","family":"Johns","sequence":"additional","affiliation":[{"name":"Tina and Rick Caruso Department of Otolaryngology\u2014Head and Neck Surgery, University of Southern California, Los Angeles, CA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Karla","family":"O\u2019Dell","sequence":"additional","affiliation":[{"name":"Tina and Rick Caruso Department of Otolaryngology\u2014Head and Neck Surgery, University of Southern California, Los Angeles, CA, 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