Comparison of Subjective and Objective Physical Functions in Patients with Chronic Low Back Pain
Agwubike, EO and Ezeukwu, AO (2011) Comparison of Subjective and Objective Physical Functions in Patients with Chronic Low Back Pain. Online Journal of Health and Allied Sciences, 10 (2). ISSN 0972-5997
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Purpose: To compare the subjective and objective physical function scores of patients with Chronic Low Back Pain (CLBP). Method: A cross- sectional survey design was used. Fifty-one patients with CLBP of mechanical origin were recruited from the physiotherapy out patient clinics of the University of Nigeria Teaching Hospital and the National Orthopedic Hospital both in Enugu, Nigeria. The box numerical scale, Roland-Morris Questionnaire (RMQ-24) and the Back Performance Scale (BPS) were used to assess the present pain intensity, the subjective and objective functional status of the participants respectively. Pearson correlation was used to determine relationships. Multiple Regressions were used to determine the predictors of objective function. Alpha level was set at 0.5. Results: The mean age and Body Mass Index of the participants were 49.04 ± 14.33 years and 26.57 ± 4.29 kg/m2 respectively. The mean Pain Intensity, subjective disability (RMQ) and objective disability (BPS) scores were 6.33 ± 2.09, 9.76 ± 5.14 and 6.43 ± 2.9 respectively. Stepwise multiple regressions showed that when all the variables were entered only marital status was a significant predictor of objective physical function. Conclusion: There is no significant association between subjective and objective functions in patients with CLBP. However, marital status (married) is a significant predictor of objective function in CLBP.
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