Nevin Hammam, Passant N El-Husseiny, Suzan S Al-Adle, Nermeen Samy, Nora Y Elsaid, Dina F El-Essawi, Eman F Mohamed, Samar M Fawzy, Samah A El Bakry, Maha Nassr, Samah I Nasef, Hanan M El-Saadany, Shereen Elwan, Nada M Gamal, Abdelhfeez Moshrif, Osman Hammam, Rawhya R El Shereef, Faten Ismail, Samar Tharwat, Doaa Mosad Mosa, Mervat I Abd Elazeem, Enas A Abdelaleem, Tamer A Gheita
BACKGROUND AND OBJECTIVES: Rheumatoid factor (RF) and anti-cyclic citrullinated protein (anti-CCP) have been used to improve the diagnosis and prognosis of rheumatoid arthritis (RA). However, their association with RA disease phenotypes, individually and in combination, is not well studied. The aim of the study was to compare patients' and disease characteristics, activity and severity in double seronegative (DNRA), single seropositive RF, single seropositive anti-CCP and double seropositive (DPRA) patients...
March 2024: Rheumatol Immunol Res