Rheumatoid Arthritis: How Do What is rheumatoid arthritis and osteoarthritis Differ? Osteoarthritis is the most common type of arthritis while rheumatoid arthritis is the most crippling.
Explore their causes, symptoms, and treatments. But what are the significant differences between them? Osteoarthritis is also referred to as a degenerative joint disease or wear-and-tear arthritis. It is caused by the breakdown of joint cartilage, a cushion between the bones that form a joint.
Usually, osteoarthritis begins in a single joint. Affecting over 27 million people in the United States, osteoarthritis is most common in people older than age 65. All races in the U. According to the American College of Rheumatology, 70 percent of people over the age of 70 have x-ray evidence of osteoarthritis.