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Psychometric evaluation of the Swallowing Outcomes After Laryngectomy (SOAL) patient‐reported outcome measure
Author(s) -
Govender Roganie,
Lee Mary T.,
Drinnan Michael,
Davies Tarni,
Twinn Claire,
Hilari Katerina
Publication year - 2016
Publication title -
head and neck
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.012
H-Index - 127
eISSN - 1097-0347
pISSN - 1043-3074
DOI - 10.1002/hed.24291
Subject(s) - laryngectomy , swallowing , medicine , reliability (semiconductor) , physical therapy , surgery , larynx , power (physics) , physics , quantum mechanics
Background The purpose of this study was to evaluate the psychometric properties of the Swallowing Outcomes After Laryngectomy (SOAL) in a large group of people who underwent a laryngectomy. Methods We conducted a cross‐sectional psychometric study of laryngectomy patients (minimum 3 months posttreatment) attending routine hospital follow‐up for the psychometric evaluation of SOAL. Results One hundred ten people participated in this study. Thirteen percent of the patients had a laryngectomy, 63% had laryngectomy with radiotherapy, and 24% had laryngectomy with chemoradiation therapy. The SOAL showed good quality of data (minimal missing data and floor effects); good internal consistency (α = 0.91); and adequate test–retest reliability (intra‐class correlation coefficient = 0.73). In terms of validity, it differentiated people by treatment group (F(2,85) = 8.02; p = .001) and diet texture group (t(102) = −7.33; p < .001). Conclusion The SOAL demonstrates good validity and has potential for use in research. Further study is required to determine its clinical application. © 2015 Wiley Periodicals, Inc. Head Neck 38 : E1639–E1645, 2016