TY - JOUR
T1 - Tracking Spinal Cord Injury Functional Outcomes Across the Lifespan
T2 - Validation of Linking Coefficients
AU - Ni, Pengsheng
AU - Mulcahey, M. J.
AU - Slavin, Mary D.
AU - Thielen, Christina Calhoun
AU - Vogel, Lawrence C.
AU - Sadowsky, Cristina
AU - Davidson, Loren T.
AU - Jette, Alan M.
N1 - Funding Information:
Supported by Shriners Hospitals for Children Project #79142, Medical Rehabilitation Infrastructure Network (grant no. #5R24HD065688-05).Disclosures: M.J.Mulcahey received compensation for her role as associate editor of Topics in Spinal Cord Injury Rehabilitation and royalties for the textbook Spinal Cord Injury in Children and Young Adults. She received grant funding from Shriners Hospitals for Children, Craig H. Neilsen Foundation, Rick Hansen Institute, and National Institute of Neurologic Disorders and Stroke. Lawrence C.Vogel received compensation for his role as editor of Topics in Spinal Cord Injury Rehabilitation and royalties for the textbook Spinal Cord Injury in Children and Young Adults. He received grant funding from Shriners Hospitals for Children and Craig H. Neilsen Foundation. The other authors have nothing to disclose.
Publisher Copyright:
© 2019 American Congress of Rehabilitation Medicine
PY - 2019/10
Y1 - 2019/10
N2 - Objective: Validation of linking coefficients to transform Pediatric Spinal Cord Injury Activity Measure (PEDI-SCI/AM) scores to adult Spinal Cord Injury-Functional Index (SCI-FI) scores. Design: This cross-sectional study administered PEDI-SCI/AM and SCI-FI computerized adaptive tests (CATs) and short forms (SFs) to children with SCI and parents or caregivers. Setting: Hospitals, university, and rehabilitation institute. Participants: About 107 children with SCI and 96 parent or caregivers. Interventions: Not applicable. Main Outcome Measures: Linking coefficients estimated SCI-FI (est-SCI-FI) scores from PEDI-SCI/AM scores for matched domains. Correlations between est-SCI-FI and actual SCI-FI scores were calculated. If correlations exceeded the criterion linking (0.866), the following analyses to compare est-SCI-FI and actual SCI-FI scores were conducted: paired t tests, intraclass correlation coefficients (ICCs 3, 1), percent of cases with absolute score differences at different thresholds. Results: Two matched domains, PEDI-SCI/AM Daily Routine/SCI-FI Self-Care and PEDI-SCI/AM General Mobility/SCI-FI Basic Mobility, met the linking criterion for both respondent-types (parent and child) and administration modes (CAT and SF). PEDI-SCI/AM Daily Routine and SCI-FI Fine Motor Function did not meet linking criterion for respondent type or mode. The linking criterion was met for wheelchair domains (child SF and CAT) and ambulation domains (child SF only). Significant differences between est-SCI-FI and actual SCI-FI scores were noted for all matched domains except Daily Routine/Self-Care (child SF only; parent SF and CAT). ICC values showed excellent agreement (range=0.75-0.89). Absolute differences between est-SCI-FI and actual SCI-FI scores were less than 1 standard deviation (except wheelchair CAT child). Conclusions: Linking coefficients applied to PEDI-SCI/AM scores can provide valid SCI-FI estimates that vary by domain, mode, and respondent type.
AB - Objective: Validation of linking coefficients to transform Pediatric Spinal Cord Injury Activity Measure (PEDI-SCI/AM) scores to adult Spinal Cord Injury-Functional Index (SCI-FI) scores. Design: This cross-sectional study administered PEDI-SCI/AM and SCI-FI computerized adaptive tests (CATs) and short forms (SFs) to children with SCI and parents or caregivers. Setting: Hospitals, university, and rehabilitation institute. Participants: About 107 children with SCI and 96 parent or caregivers. Interventions: Not applicable. Main Outcome Measures: Linking coefficients estimated SCI-FI (est-SCI-FI) scores from PEDI-SCI/AM scores for matched domains. Correlations between est-SCI-FI and actual SCI-FI scores were calculated. If correlations exceeded the criterion linking (0.866), the following analyses to compare est-SCI-FI and actual SCI-FI scores were conducted: paired t tests, intraclass correlation coefficients (ICCs 3, 1), percent of cases with absolute score differences at different thresholds. Results: Two matched domains, PEDI-SCI/AM Daily Routine/SCI-FI Self-Care and PEDI-SCI/AM General Mobility/SCI-FI Basic Mobility, met the linking criterion for both respondent-types (parent and child) and administration modes (CAT and SF). PEDI-SCI/AM Daily Routine and SCI-FI Fine Motor Function did not meet linking criterion for respondent type or mode. The linking criterion was met for wheelchair domains (child SF and CAT) and ambulation domains (child SF only). Significant differences between est-SCI-FI and actual SCI-FI scores were noted for all matched domains except Daily Routine/Self-Care (child SF only; parent SF and CAT). ICC values showed excellent agreement (range=0.75-0.89). Absolute differences between est-SCI-FI and actual SCI-FI scores were less than 1 standard deviation (except wheelchair CAT child). Conclusions: Linking coefficients applied to PEDI-SCI/AM scores can provide valid SCI-FI estimates that vary by domain, mode, and respondent type.
KW - Rehabilitation
KW - Spinal cord injuries
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U2 - 10.1016/j.apmr.2019.05.022
DO - 10.1016/j.apmr.2019.05.022
M3 - Article
C2 - 31153853
AN - SCOPUS:85068496694
SN - 0003-9993
VL - 100
SP - 1924
EP - 1931
JO - Archives of Physical Medicine and Rehabilitation
JF - Archives of Physical Medicine and Rehabilitation
IS - 10
ER -