Most commonly, rheumatoid factor is used as a blood test for the diagnosis of rheumatoid arthritis. Rheumatoid factor is present in about 80% of adults (but a much lower proportion of children) with rheumatoid arthritis. In people with rheumatoid arthritis, high levels of rheumatoid factor can indicate a tendency toward more aggressive disease and/or a tendency to develop rheumatoid nodules and/or rheumatoid lung disease.
The City of Opa-locka had a population of 16,683 as of July 1, 2017. Opa-locka ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Florida. See peer rankings below. The primary coordinate point for Opa-locka is located at latitude 25.9 and longitude -80.2552 in Miami-Dade County. The formal boundaries for the City of Opa-locka (see map below) encompass a land area of 4.3 sq. miles and a water area of 0.18 sq. miles.
All Ways Lead to Hialeah one of the cityâs first slogans is well suited given that Hialeah sits in the heart of northwest Dade, and has access to every major thoroughfare (I-75, Palmetto Expressway, Florida Turnpike, US 27 (Okeechobee Road). In Hialeah you are about 20 minutes away from anywhere in the county. Hialeah borders Opa-Locka, Miami and Miami Lakes and provides direct business access to both Opa-Locka Airport and Miami International Airport. Hialeah is served by the Miami Metrorail and Tri-Rail/Metrorail Transfer stations.