Relationships between demographic, clinical and pain variables and health-related quality of life in patients with chronic low back pain treated with instrumented fusion

Authors: Bentsen, Signe Berit¹; Wahl, Astrid K²; Strand, Liv Inger²; Hanestad, Berit R²

Source: Scandinavian Journal of Caring Sciences, Volume 21, Number 1, March 2007 , pp. 134-143(10)

Publisher: Wiley-Blackwell

Abstract:

Scand J Caring Sci; 2007; 21; 134-143

Relationships between demographic, clinical and pain variables and health-related quality of life in patients with chronic low back pain treated with instrumented fusion

The purpose of this cross-sectional study was to assess the relationships between demographic, clinical and pain variables and health-related quality of life (HRQOL) in patients who had undergone instrumented spinal fusion because of chronic low back pain (CLBP). The sample comprises 101 patients (70% women, mean age 46 years) who had received surgery between 1993 and 2000. The SF-36 Health Survey was used to assess HRQOL. Pain was assessed by sensory, affective and evaluative subgroups of the Norwegian Pain Questionnaire (modified McGill Pain Questionnaire). Age, work status, number of years after surgery, physical training, other chronic conditions and affective and evaluative pain (all p < 0.05) were the most prominent factors affecting HRQOL. The highest adjusted R² to explain the variance was physical function (52%) and the lowest was emotional role limitations (15%). Pain, particularly affective and evaluative pain, contributed more to the explained variance of HRQOL than demographic and clinical variables.

Keywords: chronic low back pain; spinal fusion; demographic; disease-specific; health-related quality of life

Document Type: Research article

DOI: http://dx.doi.org/10.1111/j.1471-6712.2007.00440.x

Affiliations: 1: Department of Nursing Education, Stord/Haugesund University College, Haugesund 2: Department of Public Health and Primary Health Care, University of Bergen, Bergen, Norway

Publication date: 2007-03-01

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