To the Editor:
We are pleased by the interest of Ozen and colleagues1 for our work2 and appreciate their choice to test our predictive model of response to anakinra in their cohort of children with systemic juvenile idiopathic arthritis (sJIA). The authors used the same definition of complete clinical response (CCR) as in our study and quantified the activity of systemic disease through the systemic manifestation score (SMS) that we developed2.
The frequency of CCR recorded in the study by Ozen, et al1 …
Address correspondence to Prof. A. Ravelli, Clinica Pediatrica e Reumatologia, IRCCS Istituto G. Gaslini, Via G. Gaslini 5, 16147 Genoa, Italy. E-mail: angeloravelli{at}gaslini.org