<prompt> Which of the following is false regarding systemic juvenile idiopathic ahritis sJIA?RA factor positiveHigh fever with rashHepatosplenomegalyElevated ESR  <response>: 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 