Related Experiment Video

Updated: Jan 24, 2026

Training Persons with Spinal Cord Injury to Ambulate Using a Powered Exoskeleton
09:46

Training Persons with Spinal Cord Injury to Ambulate Using a Powered Exoskeleton

Published on: June 16, 2016

21.4K

Tracking Spinal Cord Injury Functional Outcomes Across the Lifespan: Validation of Linking Coefficients

Pengsheng Ni1, M J Mulcahey2, Mary D Slavin1

  • 1Department of Health Law, Policy and Management, Boston University School of Public Health, Boston, MA.

Archives of Physical Medicine and Rehabilitation
|June 3, 2019
PubMed

Insights

Linking coefficients can transform Pediatric Spinal Cord Injury Activity Measure (PEDI-SCI/AM) scores to adult Spinal Cord Injury-Functional Index (SCI-FI) scores. These SCI-FI estimates are valid for specific domains, modes, and respondent types in pediatric SCI research.

Area of Science:

  • Rehabilitation Medicine
  • Pediatric Neurology
  • Clinical Measurement

Background:

  • Pediatric Spinal Cord Injury Activity Measure (PEDI-SCI/AM) and adult Spinal Cord Injury-Functional Index (SCI-FI) are crucial for assessing function.
  • Transforming PEDI-SCI/AM scores to SCI-FI scores can facilitate longitudinal tracking and comparison across age groups.
  • Validated methods are needed to ensure accurate score conversion in pediatric SCI populations.

Purpose of the Study:

  • To validate linking coefficients for transforming Pediatric Spinal Cord Injury Activity Measure (PEDI-SCI/AM) scores to adult Spinal Cord Injury-Functional Index (SCI-FI) scores.
  • To assess the accuracy and reliability of estimated SCI-FI scores derived from PEDI-SCI/AM data.
  • To determine the influence of domain, respondent type, and administration mode on score transformation validity.

Main Methods:

  • A cross-sectional study involving 107 children with SCI and 96 parents/caregivers.
  • Administration of PEDI-SCI/AM and SCI-FI computerized adaptive tests (CATs) and short forms (SFs).
  • Calculation of correlations between estimated SCI-FI (est-SCI-FI) and actual SCI-FI scores, with subsequent paired t tests and ICC analyses if linking criteria were met.

Main Results:

  • Two domains (Daily Routine/Self-Care and General Mobility/Basic Mobility) met linking criteria for both parent and child respondents across CAT and SF modes.
  • Linking criteria were met for wheelchair domains (child SF and CAT) and ambulation domains (child SF only).
  • Excellent agreement (ICC range: 0.75-0.89) was observed, with most absolute score differences less than one standard deviation.

Conclusions:

  • Linking coefficients can generate valid SCI-FI estimates from PEDI-SCI/AM scores.
  • The validity of these estimates varies depending on the specific domain, administration mode (CAT vs. SF), and respondent type (child vs. parent).
  • This method offers a valuable tool for consistent functional outcome measurement in pediatric SCI.
Abstract

Keywords:
RehabilitationSpinal cord injuries

More Related Videos

Acute and Chronic Tactile Sensory Testing after Spinal Cord Injury in Rats08:57

Acute and Chronic Tactile Sensory Testing after Spinal Cord Injury in Rats

Published on: April 4, 2012

24.3K
Author Spotlight: Long-Term Spinal Cord Slice Culture for Advancing Spinal Cord Regeneration Therapies07:37

Author Spotlight: Long-Term Spinal Cord Slice Culture for Advancing Spinal Cord Regeneration Therapies

Published on: April 12, 2024

2.2K

Related Concept Videos

Spinal Cord01:26

Spinal Cord

The spinal cord, a critical component of the central nervous system, extends from the base of the brainstem to the lumbar region of the vertebral column. It is essential for maintaining physical stability and facilitating communication between the brain and peripheral parts of the body.
1.6K
The Spinal Cord01:54

The Spinal Cord

The spinal cord is the body’s major nerve tract of the central nervous system, communicating afferent sensory information from the periphery to the brain and efferent motor information from the brain to the body. The human spinal cord extends from the hole at the base of the skull, or foramen magnum, to the level of the first or second lumbar vertebra.
31.6K
Spinal Cord: Information Processing01:10

Spinal Cord: Information Processing

The spinal cord is an integral hub for motor and sensory information that enables the brain to communicate with the peripheral nervous system (PNS). This communication consists of relaying sensory data and transmission of motor commands.
Sensory Information Processing
Sensory information processing begins at the sensory receptors located in the skin and other tissues, which detect somatic sensory stimuli such as touch, temperature, or pain. These receptors function as catalysts, initiating...
3.3K
Spinal Cord: Gross Anatomy01:15

Spinal Cord: Gross Anatomy

The spinal cord resides within the protective confines of the vertebral column. It is the main pathway for information traveling between the brain and the body. It plays a fundamental role in nearly all bodily functions, from simple reflexes to complex motor movements. The spinal cord begins at the medulla oblongata at the base of the brainstem and extends downward, terminating at the conus medullaris near the first and second lumbar vertebrae. The spinal cord's length in adults is...
5.5K
Reliability and Validity01:29

Reliability and Validity

Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
13.8K
Spinal Cord: Cross-sectional Anatomy01:16

Spinal Cord: Cross-sectional Anatomy

The cross-sectional anatomy of the spinal cord offers a detailed view of its complex structure and function within the central nervous system. At the core of the spinal cord lies the gray matter, characterized by its butterfly or "H"-shaped appearance in cross-section. This central region is enveloped by white matter, with the overall structure divided into symmetrical halves by the dorsal median sulcus and the ventral median fissure.
Gray Matter and its Components
Central to the gray matter is...
4.5K