The CCP antibody test helps to diagnose RA and can be useful in identifying people with a more rapidly erosive form of the disease. RA is a chronic, systemic autoimmune disease that causes inflammation, pain, stiffness, and destructive changes in the hands, feet, and other joints throughout the body.
As you can see from the map above, most of the Illinois population is based in the North East of the state. Chicago, home to 2,695,598 people, remains the largest city in Illinois. It dwarfs the state's other cities â the next largest is Aurora, with 197,899 people.
The Chicago metropolitan area, or Chicagoland, is the metropolitan area that includes the city of Chicago, Illinois, and its suburbs. With an estimated MSA population of 9.5 million people and CSA population of 9.9 million people, it is the third largest metropolitan area in the United States. The Chicago metropolitan area is one of the world's largest and most diversified economies, with more than four million employees and generating an annual gross regional product of over $561 billion. The r