Relationship between Regional Bone Density Measurements and the Time since Injury in Adults with Spinal Cord Injuries

Jody L. Clasey; Adrienne L. Janowiak; David R. Gater

doi:10.1016/S0003-9993(03)00358-7

Relationship between Regional Bone Density Measurements and the Time since Injury in Adults with Spinal Cord Injuries

Jody L. Clasey
, Adrienne L. Janowiak
, David R. Gater

Research output: Contribution to journal › Article › peer-review

42 Scopus citations

Abstract

Objectives: To determine the bone mineral density (BMD) of the legs, arms, and trunk region of a group of adults with spinal cord injury (SCI) and to determine the relationship between regional BMD values and the time since injury. Design: BMD measurements were determined by total-body, dual-energy x-ray absorptiometry scans and percentage values (percentage-matched BMD), based on manufacturer-supplied normative data for age, sex, body weight, and ethnic group. The relationship between percentage-matched BMD values and time since injury was determined by linear regression analyses. Setting: Research laboratories in a university setting. Participants: Twenty-nine subjects (21 men, 8 women; mean age, 38.5y) who had sustained an SCI a mean of 10.6 years earlier (range, 0.6-35.3y). Interventions: Not applicable. Main Outcome Measure: The relationship between percentage-matched BMD values and the time since injury. Results: There was a significant inverse relationship between percentage-matched BMD leg (r²=-.76), arm (r²=-.45), and trunk (r²=-.38) values and the log of time since injury. Conclusion: Despite the varying levels of SCI and other relevant BMD contributing factors, the regional percentage-matched BMD values were significantly inversely related to the log of time since injury.

Original language	English
Pages (from-to)	59-64
Number of pages	6
Journal	Archives of Physical Medicine and Rehabilitation
Volume	85
Issue number	1
DOIs	https://doi.org/10.1016/S0003-9993(03)00358-7
State	Published - Jan 2004

Bibliographical note

Funding Information:
Supported in part by the National Center for Research Resources (grant no. MOI-RR 02602), by the National Institute on Drug Abuse (grant no. K12 DA14040-03 [BIRCWH]), by the National Institutes of Health (grant no. K23 RR16182-01), and the Department of Veterans Affairs (grant no. RR&D B2247V).

Funding

Supported in part by the National Center for Research Resources (grant no. MOI-RR 02602), by the National Institute on Drug Abuse (grant no. K12 DA14040-03 [BIRCWH]), by the National Institutes of Health (grant no. K23 RR16182-01), and the Department of Veterans Affairs (grant no. RR&D B2247V).

Funders	Funder number
Building Interdisciplinary Research Careers in Women's Health (BIRCWH)
National Institutes of Health (NIH)	K23 RR16182-01
National Institute on Drug Abuse	K12DA014040, K12 DA14040-03
National Center for Research Resources	M01RR002602, K23RR016182
U.S. Department of Veterans Affairs	RR&D B2247V

Keywords

Bone density
Dual energy
Osteoporosis
Rehabilitation
Spinal cord injuries
X-ray absorptiometry

ASJC Scopus subject areas

Physical Therapy, Sports Therapy and Rehabilitation
Rehabilitation

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10.1016/S0003-9993(03)00358-7

Cite this

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title = "Relationship between Regional Bone Density Measurements and the Time since Injury in Adults with Spinal Cord Injuries",

abstract = "Objectives: To determine the bone mineral density (BMD) of the legs, arms, and trunk region of a group of adults with spinal cord injury (SCI) and to determine the relationship between regional BMD values and the time since injury. Design: BMD measurements were determined by total-body, dual-energy x-ray absorptiometry scans and percentage values (percentage-matched BMD), based on manufacturer-supplied normative data for age, sex, body weight, and ethnic group. The relationship between percentage-matched BMD values and time since injury was determined by linear regression analyses. Setting: Research laboratories in a university setting. Participants: Twenty-nine subjects (21 men, 8 women; mean age, 38.5y) who had sustained an SCI a mean of 10.6 years earlier (range, 0.6-35.3y). Interventions: Not applicable. Main Outcome Measure: The relationship between percentage-matched BMD values and the time since injury. Results: There was a significant inverse relationship between percentage-matched BMD leg (r2=-.76), arm (r2=-.45), and trunk (r2=-.38) values and the log of time since injury. Conclusion: Despite the varying levels of SCI and other relevant BMD contributing factors, the regional percentage-matched BMD values were significantly inversely related to the log of time since injury.",

keywords = "Bone density, Dual energy, Osteoporosis, Rehabilitation, Spinal cord injuries, X-ray absorptiometry",

author = "Clasey, \{Jody L.\} and Janowiak, \{Adrienne L.\} and Gater, \{David R.\}",

note = "Funding Information: Supported in part by the National Center for Research Resources (grant no. MOI-RR 02602), by the National Institute on Drug Abuse (grant no. K12 DA14040-03 [BIRCWH]), by the National Institutes of Health (grant no. K23 RR16182-01), and the Department of Veterans Affairs (grant no. RR\&D B2247V). ",

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N1 - Funding Information: Supported in part by the National Center for Research Resources (grant no. MOI-RR 02602), by the National Institute on Drug Abuse (grant no. K12 DA14040-03 [BIRCWH]), by the National Institutes of Health (grant no. K23 RR16182-01), and the Department of Veterans Affairs (grant no. RR&D B2247V).

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AB - Objectives: To determine the bone mineral density (BMD) of the legs, arms, and trunk region of a group of adults with spinal cord injury (SCI) and to determine the relationship between regional BMD values and the time since injury. Design: BMD measurements were determined by total-body, dual-energy x-ray absorptiometry scans and percentage values (percentage-matched BMD), based on manufacturer-supplied normative data for age, sex, body weight, and ethnic group. The relationship between percentage-matched BMD values and time since injury was determined by linear regression analyses. Setting: Research laboratories in a university setting. Participants: Twenty-nine subjects (21 men, 8 women; mean age, 38.5y) who had sustained an SCI a mean of 10.6 years earlier (range, 0.6-35.3y). Interventions: Not applicable. Main Outcome Measure: The relationship between percentage-matched BMD values and the time since injury. Results: There was a significant inverse relationship between percentage-matched BMD leg (r2=-.76), arm (r2=-.45), and trunk (r2=-.38) values and the log of time since injury. Conclusion: Despite the varying levels of SCI and other relevant BMD contributing factors, the regional percentage-matched BMD values were significantly inversely related to the log of time since injury.

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Relationship between Regional Bone Density Measurements and the Time since Injury in Adults with Spinal Cord Injuries

Abstract

Bibliographical note

Funding

Keywords

ASJC Scopus subject areas

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