ArticleChildren (Basel, Switzerland)2022
The Psychometric Properties of the Trunk Impairment Scale in Children with Cerebral Palsy.
Article in Children (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Assessment of trunk movement and posture in spastic and dyskinetic cerebral palsy: A scoping review.Developmental medicine and child neurology · 2026Article
- Preliminary Changes in Head Control and Segmental Trunk Control Following an Eight-Week Core Strengthening Program in Children with Bilateral Spastic Cerebral Palsy.Healthcare (Basel, Switzerland) · 2026Article
- Assessment of Segmental Postural Control During Reaching in Typically Developing Children Using a Single Inertial Measurement Unit.Journal of clinical medicine · 2026Article
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Trunk Impairment Scale (TIS) measures static and dynamic seated trunk control in children with cerebral palsy (CP) who have postural control problems. Studies have investigated the reliability and validity of the TIS. However, the fitness and difficulty of the scale items have not been investigated. This study used Rasch analysis to test the construct validity of TIS for children with CP. TIS data were collected from 60 children with CP and analyzed for person and item fit, item difficulty, rating scale suitability, and separation reliability. Principal component analyses of residuals revealed that TIS had unidimensionality. Five misfit items (static sitting balance (SSB) items 2 and 3, dynamic sitting balance (DSB) items 4 and 5, and coordination (COO) item 3) were identified. DSB8 is the most difficult item, followed by DSB3 and COO4. On the other hand, the SSB3 item was found to be a relatively easy item. The rating scales demonstrated that out of the three subscales, SSB, DSB, and COO, only the SSB subscale did not meet the appropriate criteria. We demonstrated that statistical item analysis with the Rasch model could provide valuable information related to psychometric properties.
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