Correlation of Self-Reported Questionnaire (KOOS) with Some Objective Measures in Primary OA Knee Patients.

Authors:
Dr Sivachidambaram Kulandaivelan, MSPT, PhD
Dr Sivachidambaram Kulandaivelan, MSPT, PhD
Guru Jambheshwar University of Science and Technology
Assistant Professor
Hisar, Haryana | India

ISRN Rheumatol 2014 16;2014:301485. Epub 2014 Jan 16.

V-Care Physiotherapy Center, Hyderabad 500 035, India.

Purpose. Objective of the present study was to see the correlation of subjectively measured KOOS questionnaire with objectively measured 6-minute walk test (6-MWT), age, height, weight, and BMI. Participants. 251 subjects with OA knee based on American College of Rheumatology criteria. Methods. After passing inclusion and exclusion criteria, the following parameters were recorded: age, height, weight, and BMI. Then subjects were asked to fill KOOS questionnaire; then all subjects were asked to do self-paced walk for 6 minutes. Analysis. Spearman rank test was done to see the correlation. Significant level was set at P < 0.05. Results. 6-MWT had a weak correlation with KOOS-ADL (rho 0.461) and strong correlation with KOOS-symptom, KOOS-pain, and KOOS-sports and very strong correlation with KOOS-QOL. BMI had a strong correlation with KOOS-pain, KOOS-symptom, KOOS-ADL, and KOOS-sports and very strong correlation with KOOS-QOL. Weight had a weak correlation with KOOS-symptom, KOOS-ADL, and KOOS-sports and strong correlation with KOOS-pain and KOOS-QOL. All the above values were significant with P < 0.001. Conclusion. KOOS is strongly positively correlated with 6-MWT and negatively correlated with BMI. Its correlation strength has decreased with weight.

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Source
http://dx.doi.org/10.1155/2014/301485DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3914450PMC
February 2014
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