Early and reliable screening for oropharyngeal dysphagia (OD) symptoms in at-risk populations is important and a crucial first stage in effective OD management. The Eating Assessment Tool (EAT-10) is a commonly utilized screening and outcome measure. To date, studies using classic test theory methodologies report good psychometric properties, but the EAT-10 has not been evaluated using item response theory (e.g., Rasch analysis). The aim of this multisite study was to evaluate the internal consistency and structural validity and conduct a preliminary investigation of the cross-cultural validity of the EAT-10; floor and ceiling effects were also checked. Participants involved 636 patients deemed at risk of OD, from outpatient clinics in Spain, Turkey, Sweden, and Italy. The EAT-10 and videofluoroscopic and/or fiberoptic endoscopic evaluation of swallowing were used to confirm OD diagnosis. Patients with esophageal dysphagia were excluded to ensure a homogenous sample. Rasch analysis was used to investigate person and item fit statistics, response scale, dimensionality of the scale, differential item functioning (DIF), and floor and ceiling effect. The results indicate that the EAT-10 has significant weaknesses in structural validity and internal consistency. There are both item redundancy and lack of easy and difficult items. The thresholds of the rating scale categories were disordered and gender, confirmed OD, and language, and comorbid diagnosis showed DIF on a number of items. DIF analysis of language showed preliminary evidence of problems with cross-cultural validation, and the measure showed a clear floor effect. The authors recommend redevelopment of the EAT-10 using Rasch analysis.
The Pediatric Eating Assessment Tool was shown to be a valid and reliable tool to determine penetration/aspiration risk in children. Implications for rehabilitation The pediatric eating assessment tool: a new dyphagia-specific outcome survey for children. The Pediatric Version of the Eating Assessment Tool is a dysphagia specific, parent report outcome instrument to determine penetration/aspiration risk in children. The Pediatric Version of the Eating Assessment Tool has good internal consistency, test-retest reliability and criterion-based validity. The Pediatric Version of the Eating Assessment Tool may be utilized as a clinical instrument to assess the need for further instrumental evaluation of swallowing function in children.
The purpose of this study was to test the reliability and validity of the Turkish Eating Assessment Tool (T-EAT-10) among patients with swallowing disorders. One hundred and five patients completed the T-EAT-10 and Functional Oral Intake Scale (FOIS). The internal consistency, test-retest reliability, and criterion validity of T-EAT-10 were investigated. The internal consistency was assessed using Cronbach's alpha. Intraclass correlation coefficient (ICC) value with 95 % confidence intervals was calculated for test-retest reliability. The criterion validity of the T-EAT-10 was determined by assessing the correlation between T-EAT-10 and FOIS. All the patients in the study completed the T-EAT-10 without assistance. The mean time to complete the instrument was 1.8 ± 0.9 min. The internal consistency of the T-EAT-10 was found to be high with 0.90 Cronbach's alpha for test and 0.91 Cronbach's alpha for retest reproducibility. No difference between the test and retest scores of the T-EAT-10 was found (p = 0.14). A negative, moderate correlation between T-EAT-10 and FOIS was detected (r = -0.365, p < 0.001). The T-EAT-10 is a reliable and valid symptom-specific outcome tool for dysphagia in adult Turkish patients. It can be used in clinical practice and research.
This study aimed to develop a chewing performance scale that classifies chewing from normal to severely impaired and to investigate its validity and reliability. The study included the developmental phase and reported the content, structural, criterion validity, interobserver and intra-observer reliability of the chewing performance scale, which was called the Karaduman Chewing Performance Scale (KCPS). A dysphagia literature review, other questionnaires and clinical experiences were used in the developmental phase. Seven experts assessed the steps for content validity over two Delphi rounds. To test structural, criterion validity, interobserver and intra-observer reliability, two swallowing therapists evaluated chewing videos of 144 children (Group I: 61 healthy children without chewing disorders, mean age of 42·38 ± 9·36 months; Group II: 83 children with cerebral palsy who have chewing disorders, mean age of 39·09 ± 22·95 months) using KCPS. The Behavioral Pediatrics Feeding Assessment Scale (BPFAS) was used for criterion validity. The KCPS steps arranged between 0-4 were found to be necessary. The content validity index was 0·885. The KCPS levels were found to be different between groups I and II (χ(2) = 123·286, P < 0·001). A moderately strong positive correlation was found between the KCPS and the subscales of the BPFAS (r = 0·444-0·773, P < 0·001). An excellent positive correlation was detected between two swallowing therapists and between two examinations of one swallowing therapist (r = 0·962, P < 0·001; r = 0·990, P < 0·001, respectively). The KCPS is a valid, reliable, quick and clinically easy-to-use functional instrument for determining the level of chewing function in children.
Both pharyngeal swallowing disorders, such as penetration and aspiration, and esophageal disorders and reflux may result in recurrent pneumonia in pediatric patients. Thus, all phases of deglutition should be considered and followed up during swallowing evaluation.
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