Disability-adjusted life year for<unk>  per 100,000 inhabitants in 2004. Globally, , approximately 250million people had<unk>  of the knee (3.6% of the population). Hip<unk>  affects about 0.85% of the population. ,<unk>  globally causes moderate to severe disability in 43.4 million people. Together, knee and hip<unk>  had a ranking for disability globally of 11th among 291 disease conditions assessed. ,<unk>  affected 52.5million people in the United States, approximately 50% of whom were 65 years or older. It is estimated that 80% of the population have radiographic evidence of<unk>  by age 65, although only 60% of those will have symptoms. The rate of<unk>  in the United States is forecast to be 78million (26%) adults by 2040. In the United States, there were approximately 964,000 hospitalizations for<unk>  in 2011, a rate of 31 stays per 10,000 population. With an aggregate cost of $14.8billion ($15,400 per stay), it was the second-most expensive condition seen in U.S. hospital stays in 2011. By payer, it was the second-most costly condition billed to Medicare and private insurance.
Osteoarthritis
Fibromyalgia
Oligoarthritis
Bunion
Osteochondropathy
Septic arthritis
Bursitis
Plantar fasciitis