BTG3 and juvenile idiopathic arthritis: When the PRINTO criteria were applied to the 58 patients classified as PsA by CASPAR or ILAR criteria, and who had data for PRINTO classification, 48 (82.8%) were classified as Other JIA, 5 (8.6%) as Enthesitis/spondylitis-related arthritis, and 5 (8.6%) as Early-onset ANA-positive JIA.