OA is one of the most frequent diagnoses and is the leading cause of disability among the adult population in the USA. According to the National Health and Nutrition Examination Survey (NHANES), more than 26 million people in the USA were diagnosed with different forms of OA. The National Health Interview Survey (NHIS) reported that the 46.4 million Americans and 21.6% of Americans adults were diagnosed with arthritis. OA can involve any joint, but knees, hips, hands, are most common sites for this involvement  .
Osteoarthritis epidemiology and demographics
Septic arthritis epidemiology and demographics
Ankylosing spondylitis epidemiology and demographics
Back pain epidemiology and demographics
Bursitis epidemiology and demographics
Rheumatoid arthritis epidemiology and demographics
Psoriatic arthritis epidemiology and demographics
Fibromyalgia epidemiology and demographics