Which of the following is false regarding systemic juvenile idiopathic ahritis (sJIA)?
Rheumatoid ahritis (RA) factor is negative in systemic-onset JIA ; it is positive in polyahritic type of JIA. Ref: Nelson textbook of pediatrics 21st edition. Pgno: 1260
RA factor positive
High fever with rash
Hepatosplenomegaly
Elevated ESR
Musculoskeletal  disorders