[A comparative study on the prevalence of osteoarthritis in middle and old-aged people from the urban and the rural area in Heilongjiang province].
2010
Objective To investigate the prevalence of osteoarthritis in inhabitants aged 40 years old and above from urban and rural areas in Heilongjiang province. Methods Through multistage stratified cluster random sampling methods, residents aged 40 years and above were selected. All subjects were given a standardized questionnaire and were conducted a radiographic examination on hands, knees, neck spine and lumbar spine after informed consent. All statistics were performed by SPSS13.0. Results A total of 1196 residents were surveyed, which including 573 males and 623 female subjects. The prevalence of osteoarthritis in cervical spine, lumbar spine, knee and hand for men were 26.00%, 31.20%, 11.87%, 15.53%, respectively and that were 34.80%, 30.20%, 20.06%, 27.93% for women respectively. The prevalence of osteoarthritis increased with aging both in men and women. Prevalence in 60-70 age group achieved the peak. The prevalence rates became relatively low among those over the 70 years old than expected. The most common sites of osteoarthritis were knees and hands (16.10%), followed by cervical and lumbar spine (12.40%).Conclusion The prevalence of osteoarthritis was generally high in middle and old-aged people in Heilongjiang province.
Key words:
Osteoarthritis; Prevalence rate; Prevalence survey
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