Prediction of gait outcome with the knee-ankle-foot orthosis with medial hip joint in patients with spinal cord injuries: A study using recursive partitioning analysis

T. Suzuki, S. Sonoda, E. Saitoh, K. Onogi, H. Fujino, T. Teranishi, T. Oyobe, M. Katoh, K. Ohtsuka

Research output: Contribution to journalArticle

Abstract

Study design: Retrospective study of the degree of gait independence achieved by persons with spinal cord injury (SCI) using knee-ankle-foot orthosis with a medial single hip joint (MSH-KAFO). Objective: To examine the effects of the neurological level, degree of paresis, age, and inhibitory physical/other factors on the gait with a MSH-KAFO in patients with SCIs. Setting: Three university hospitals and two rehabilitation hospitals in Japan. Methods: The 45 patients (36 men, nine women) examined included 10 with injuries in the cervical cord between C6 and C8 (group C), 20 with injuries in the upper-middle thoracic cord between T4 and T10 (group UT), and 15 with injuries in the lower thoracic-lumbar cord between T12 and L1 (group TL). Mean age was 34.0 years (range 16-68 years). Of these patients, 13 used the Walkabout, four used the gear joint, and 28 used the Primewalk as the medial hip joint. Recursive partitioning, which predicted the final status of gait from the level, degree of paresis, age, and inhibitory factors, was performed, and a decision tree for gait was constructed. Inhibitory factors were spasticity, involuntary spasms or muscle contractions, pain, contracture, weakness of the upper extremities, and decreased motivation to perform gait exercise. The degree of gait independence was rated on the following five-point scale: outdoor independent gait (5 points), indoor independent gait (4 points), indoor supervised gait (3 points), indoor assisted gait (2 points), and gait within parallel bars (1 point). New branches were added to the decision tree for gait based on the clinical experience, thereby constructing a new decision tree. Results: The coincident ratio between the value predicted on the basis of the decision tree of gait and the value actually observed was 53.3%. The coincident ratio between the value predicted on the basis of the modified decision tree of gait and the actually observed value was 68.9%. Conclusion: The results provide valuable information to medical teams that may assist prescription of gait orthoses.

Original languageEnglish (US)
Pages (from-to)57-63
Number of pages7
JournalSpinal Cord
Volume45
Issue number1
DOIs
StatePublished - Jan 21 2007
Externally publishedYes

Fingerprint

Foot Orthoses
Hip Joint
Spinal Cord Injuries
Gait
Ankle
Knee
Decision Trees
Melanocyte-Stimulating Hormones
Paresis
Spinal Cord
Wounds and Injuries
Orthotic Devices
Age Factors
Myalgia
Spasm

Keywords

  • Gait
  • Orthoses
  • Prediction
  • Recursive partitioning
  • Spinal cord injury

ASJC Scopus subject areas

  • Clinical Neurology

Cite this

Prediction of gait outcome with the knee-ankle-foot orthosis with medial hip joint in patients with spinal cord injuries : A study using recursive partitioning analysis. / Suzuki, T.; Sonoda, S.; Saitoh, E.; Onogi, K.; Fujino, H.; Teranishi, T.; Oyobe, T.; Katoh, M.; Ohtsuka, K.

In: Spinal Cord, Vol. 45, No. 1, 21.01.2007, p. 57-63.

Research output: Contribution to journalArticle

Suzuki, T. ; Sonoda, S. ; Saitoh, E. ; Onogi, K. ; Fujino, H. ; Teranishi, T. ; Oyobe, T. ; Katoh, M. ; Ohtsuka, K. / Prediction of gait outcome with the knee-ankle-foot orthosis with medial hip joint in patients with spinal cord injuries : A study using recursive partitioning analysis. In: Spinal Cord. 2007 ; Vol. 45, No. 1. pp. 57-63.
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abstract = "Study design: Retrospective study of the degree of gait independence achieved by persons with spinal cord injury (SCI) using knee-ankle-foot orthosis with a medial single hip joint (MSH-KAFO). Objective: To examine the effects of the neurological level, degree of paresis, age, and inhibitory physical/other factors on the gait with a MSH-KAFO in patients with SCIs. Setting: Three university hospitals and two rehabilitation hospitals in Japan. Methods: The 45 patients (36 men, nine women) examined included 10 with injuries in the cervical cord between C6 and C8 (group C), 20 with injuries in the upper-middle thoracic cord between T4 and T10 (group UT), and 15 with injuries in the lower thoracic-lumbar cord between T12 and L1 (group TL). Mean age was 34.0 years (range 16-68 years). Of these patients, 13 used the Walkabout, four used the gear joint, and 28 used the Primewalk as the medial hip joint. Recursive partitioning, which predicted the final status of gait from the level, degree of paresis, age, and inhibitory factors, was performed, and a decision tree for gait was constructed. Inhibitory factors were spasticity, involuntary spasms or muscle contractions, pain, contracture, weakness of the upper extremities, and decreased motivation to perform gait exercise. The degree of gait independence was rated on the following five-point scale: outdoor independent gait (5 points), indoor independent gait (4 points), indoor supervised gait (3 points), indoor assisted gait (2 points), and gait within parallel bars (1 point). New branches were added to the decision tree for gait based on the clinical experience, thereby constructing a new decision tree. Results: The coincident ratio between the value predicted on the basis of the decision tree of gait and the value actually observed was 53.3{\%}. The coincident ratio between the value predicted on the basis of the modified decision tree of gait and the actually observed value was 68.9{\%}. Conclusion: The results provide valuable information to medical teams that may assist prescription of gait orthoses.",
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AU - Onogi, K.

AU - Fujino, H.

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AU - Katoh, M.

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