Osteoarthritis, the most common form of arthritis, affects approximately 27 million individuals in the United States.1 With the aging of the population and rising rates of obesity, the prevalence of osteoarthritis is increasing.2 Roughly 25% of adults aged 55 years or older have knee pain on most days, and most of these people have osteoarthritis.3 According to studies of the global burden of diseases,4 the effect of osteoarthritis on adverse health outcomes is increasing rapidly, especially in developed countries where people have extended life spans.
Felson DT. Intra-articular Corticosteroids and Knee OsteoarthritisInterpreting Different Meta-analyses. JAMA. 2016;316(24):2607-2608. doi:10.1001/jama.2016.17227