J Korean Rheum Assoc.  2002 Dec;9(Suppl):S73-S83.

Health-related Quality of Life in Korean Patients with Osteoarthritis

Affiliations
  • 1Department of Internal Medicine, College of Medicine, Dong-A University, Busan, Korea.
  • 2Department of Internal Medicine, The Hospital for Rheumatic Diseases, Hanyang University Medical Center, Seoul, Korea.

Abstract


OBJECTIVE
In this study, we aimed to assess the health-related quality of life (HRQOL), to evaluate the relationship between HRQOL, and various factors in Korean patients with osteoarthritis (OA).
METHODS
The HRQOL and clinical and laboratory parameters were assessed by Short Form Health Survey-36 (SF-36), EuroQol5 Dimensions (EQ-5D), time trade off (TTO) and standard gamble (SG) using computer software, Centers for Epidemiologic Studies Depression (CES-D), social support, self-efficacy scale, Western Ontario and McMaster Universities (WOMAC), functional class, and radiological grading, respectively, in 103 outpatients with OA. And the data of the SF-36 and EQ-5D in OA patients were compared with those in 228 healthy controls.
RESULTS
Of the 103 subjects, 99 (96.1%) were women with a mean age of 61.1?6.7 years. The mean year of disease duration was 9.44+/-7.44. The mean scores of SF-36 global, mental component summary (MCS) and physical component summary (PCS) were 51.5?20.6, 61.6?26.6 and 47.1?24.1, respectively. The mean EQ-5D utility and visual analog scale (VAS) scores were 0.56+/-0.26 and 60.0+/-17.3, respectively. The mean scores of the TTO and SG were 0.74+/-0.22 and 0.60+/-0.31, respectively. The mean scores of CES-D, self-efficacy scale, social support and social network were 9.52+/-5.67, 60.6+/-16.0, 2.32+/-0.22, and 2.01+/-0.66, respectively. The mean scores of WOMAC pain, stiffness and function were 28.8+/-15.4, 6.08+/-3.79, and 2.17+/-1.92, respectively. In the correlations analysis among health-related quality of life and other variables, the cores of KWOMAC, CES-D, and self-efficacy showed the good correlation with the scores of SF-36 and EQ-5D. In multivariate models, the statistically significant variables of SF-36 global and PCS were KWOMAC, and the statistically significant variables of SF-36 MCS were marital status and KWOMAC.
CONCLUSION
This study shows that HRQOL in Korean patients with osteoarthritis is significantly lower than healthy control. Among the variables, only the WOMAC was significantly correlated with HRQOL. Therefore, the efforts to improve HRQOL should be focused on controlling the disease activity and on improving the functional state.

Keyword

Health-related quality of life; Osteoarthritis; Short Form-36 (SF-36); EuroQol-5 Dimensions (EQ-5D); Western Ontario and McMaster Universities (WOMAC)

MeSH Terms

Depression
Epidemiologic Studies
Female
Humans
Marital Status
Ontario
Osteoarthritis*
Outpatients
Quality of Life*
Visual Analog Scale
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