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Background: Osteoarthritis is a chronic degenerative disease of the joints. Functional limitations experienced by people with knee osteoarthritis are related to changes in quality of life. Knee Osteoarthritis needs to be assessed as a whole which includes several domains of quality of life, namely the domains of pain, stiffness and physical function. This study was conducted to determine the correlation between pain intensity and quality of life in patients with knee osteoarthritis.
Methods: a quantitative study using an analytic observational method with a cross-sectional approach. Population of 70 patients, a sample of 33 patients. The research was conducted in October 2020 at the Orthopedic Hospital in Surakarta City, Central Java, Indonesia. Data were collected by direct interviews to assess pain intensity based on the Numeric Rating Scale (NRS) and assess quality of life based on the Western Ontario McMaster Universities Osteoarthritis Index (WOMAC) questionnaire. Normality test using Sapiro Wilk because the data is normaly distributed. Hipotesis test using Pearson correlation.
Results: Age range of patients with knee osteoarthritis mostly occurred at the age of 56-60 years, women had a greater frequency of experiencing knee osteoarthritis with a frequency of 78.8%, the most incidence of knee osteoarthritis was experienced by patients with normal BMI, namely 54.5%, The results of the Pearson correlation test showed a significance value of Sig. (2-tailed) is 0.000149 <0.05, which means that there is a significant correlation between the variables between pain and quality of life. Has a positive relationship and strong relationship strength (r = 0.613).
Conclusion: There is a significant correlation between pain intensity and quality of life in patients with osteoarthritis