The markers could be used to differentiate between psoriatic arthritis and other inflammatory arthritis, such as rheumatoid arthritis and lupus-related arthritis.
Ezi ziphawuli zingasetyenziswa ukwahlula isifo sokuqaqamba kwamalungu esihlasela abantu abanengulo ethile yolusu kwezinye izifo zokuqaqamba kwamalungu ezinokukrala ezifana nesifo sokuqaqamba kwamathambo kunye nesifo sokuqaqamba kwamalungu okunxulumene nelupus.