In the same study, 38.5% of patients with noninflammatory âsoft tissue rheumatismâ had a positive ANA result. at a 1:40 dilution, and 23.1% at a 1:80 dilution. Slater et al (6) studied 1,010 consecutive ANA results at a teaching hospital and attempted to correlate the results with clinical histories by chart review. Fifteen percent of all patients and 30% of patients older than 65 years had a positive ANA titer of 1:40 or greater, but the positive predictive value for rheumatic disease was low. The false-positive rate for any rheumatic disease was 72% in patients 65 years old or younger, and 90% in. patients older than 65 years.
Best of all, the installation process is perfectly suited for a seasoned do-it-yourselfer. A flooring contractor will charge $1184 to install prefinished oak parquet floor tiles in a 10-by-12-foot room, assuming the subfloor is sound and level.That includes labor and material.You can buy the tiles and adhesive for $560 and lay the floor yourself, saving 52 percent. DIY Hassle Alert. flooring contractor will charge $1184 to install prefinished oak parquet floor tiles in a 10-by-12-foot room, assuming the subfloor is sound and level. That includes labor and material. You can buy the tiles and adhesive for $560 and lay the floor yourself, saving 52 percent. DIY Hassle Alert.
Size/Complexity of the Job. The total cost of your hardwood flooring installation will also be determined by the size or complexity of the job. Flooring contractors will always add labor charges to the price of the installation and those can range anywhere from $500 to $3,000.