Archives of physical medicine and rehabilitation · 2010
Pain-related fear contributes to self-reported disability in patients with foot and ankle pathology.
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Lentz Trevor A, Sutton Zach, Greenberg Scott, Bishop Mark D
Аннотация
OBJECTIVE: To determine the unique influence of pain-related fear of movement on foot and ankle disability, after accounting for pain, demographic, and physical impairment variables.
DESIGN: Cross-sectional study using retrospective chart review.
SETTING: Outpatient rehabilitation clinic.
PARTICIPANTS: Referred sample of subjects with foot- and ankle-related disability (N=85, 40 men; mean age, 33y; range, 16-77y).
INTERVENTIONS: Not applicable.
MAIN OUTCOME MEASURES: Lower Extremity Functional Scale (LEFS), Shortened Tampa Scale of Kinesiophobia (TSK-11).
RESULTS: Hierarchical regression analysis determined the proportions of explained variance in disability (LEFS). Demographic variables were entered into the model first, followed by pain intensity and range-of-motion (ROM) deficit, and finally, TSK-11. Demographics collectively contributed 9% (P=.015) of the variance in disability scores. Pain intensity and overall ROM deficit contributed an additional 11% (P<.001) of the variance, and TSK-11 scores contributed an additional 14% (P<.001). In the overall model, age (beta=-.29, P=.004), chronicity of symptoms (beta=.23, P=.024), ROM deficit (beta=-.28, P=.003), and TSK-11 (beta=-.41, P<.001) explained 34% of the variance in the LEFS score (P<.001).
CONCLUSIONS: Age, chronicity of symptoms, ROM deficit, and TSK-11 scores all significantly contributed to baseline foot and ankle self-reported disability. Pain-related fear of movement was the strongest single contributor to disability in this group of patients.
DESIGN: Cross-sectional study using retrospective chart review.
SETTING: Outpatient rehabilitation clinic.
PARTICIPANTS: Referred sample of subjects with foot- and ankle-related disability (N=85, 40 men; mean age, 33y; range, 16-77y).
INTERVENTIONS: Not applicable.
MAIN OUTCOME MEASURES: Lower Extremity Functional Scale (LEFS), Shortened Tampa Scale of Kinesiophobia (TSK-11).
RESULTS: Hierarchical regression analysis determined the proportions of explained variance in disability (LEFS). Demographic variables were entered into the model first, followed by pain intensity and range-of-motion (ROM) deficit, and finally, TSK-11. Demographics collectively contributed 9% (P=.015) of the variance in disability scores. Pain intensity and overall ROM deficit contributed an additional 11% (P<.001) of the variance, and TSK-11 scores contributed an additional 14% (P<.001). In the overall model, age (beta=-.29, P=.004), chronicity of symptoms (beta=.23, P=.024), ROM deficit (beta=-.28, P=.003), and TSK-11 (beta=-.41, P<.001) explained 34% of the variance in the LEFS score (P<.001).
CONCLUSIONS: Age, chronicity of symptoms, ROM deficit, and TSK-11 scores all significantly contributed to baseline foot and ankle self-reported disability. Pain-related fear of movement was the strongest single contributor to disability in this group of patients.