Accuracy and precision of the Pediatric Evaluation of Disability Inventory computer-adaptive tests (PEDI-CAT)

Abstract

Aim The aims of the study were to (1) build new item banks for a revised version of the Pediatric Evaluation of Disability Inventory (PEDI) with four content domains: Daily Activities, Mobility, Social/Cognitive, and Responsibility and 2) use post-hoc simulations based on the combined normative and disability calibration samples to assess the accuracy and precision of the PEDI computerized adaptive tests (PEDI-CAT) in comparison to the administration of all items. Methods Parents of typically developing children (n=2,205) and parents of children with disabilities (n=703) between ages 0 to 21 years, stratified by age and gender participated by responding to PEDI-CAT surveys through an existing Internet Opt-in Survey Panel in the USA and by computer tablets in clinical sites. Results Confirmatory factor analyses supported four unidimensional content domains. Scores using the real data post-hoc demonstrated excellent accuracy (ICCs ≥0.95) with the full item banks. Simulations using item parameter estimates demonstrated relatively small bias in the 10- and 15-item CAT versions; error was generally higher at the scale extremes. Interpretation These results suggest the PEDI-CAT can be an accurate and precise assessment of children’s daily functioning at all functional levels.

Function and disability in children with Costello syndrome and Cardiofaciocutaneous syndrome

“…The Speedy CAT provides a T-score, a percentile score, a scaled score, and a list of the response items. Reliability of the 10-15 item PEDI CAT scaled scores to the full item bank were high (r ¼ 0.99) [Haley et al, 2011]. The T-scores and percentiles can be used for comparison to children of the same age (1-year intervals).…”

Physical Therapy for a Child Poststroke With a Left Ventricular Assist Device

“…13 Functional outcome measures included observation of functional bed mobility and transfers, Pediatric Evaluation of Disability Inventory Computer Adaptive Test (PEDI-CAT) Mobility domain, 6-Minute Walk Test (6MWT), and the Pediatric Balance Scale (PBS). [14][15][16] The PEDI-CAT is appropriate across all diagnoses, conditions, and settings for infants, children, and youth up to 21 years of age and has been shown to be a valid and reliable measure of mobility. The PEDI-CAT provides normative and scaled scores and can be used to measure progress over time.…”

“…The mobility domain includes 5 content areas: basic movement and transfers, standing and walking, steps and inclines, running and playing, and wheelchair. 14 The 6MWT, a self-paced walking test, is used to measure functional capacity. The distance that a patient is able to walk in 6 minutes is recorded.…”

A tool kit for measuring functioning in children with neurodisability: calibrating activities

“…3 Bolduc et al 4 demonstrate that cerebellar volumetric impairment is associated with altered growth in specific cerebral regions and attribute this to cerebellar malformations. 5 Although the small number of children included and the heterogeneous cohort of patients may be limitations of the study (in terms of different cerebellar malformations), the authors demonstrated significantly reduced volume in the deep grey matter nuclei, inferior occipital grey matter, and subgenual and midtemporal white matter.…”

“…2 A limitation to this approach has been the difficulty of having several different questions over many daily tasks for the various age groups. It is in this context that the study by Haley et al 3 should be examined.…”