title: Should baseline-dependent cut-offs really be used to define disease improvement in juvenile idiopathic arthritis? And few other considerations.
authors.affiliation: Human Medicines Evaluation Division - Biostatistics and Methodology Support, European Medicines Agency, London, UK olivier.collignon@ema.europa.eu.|Competence Center in Methodology and Statistics, Luxembourg Institute of Health, Strassen, Luxembourg.
authors.forename: Olivier
authors.initials: O
authors.lastname: Collignon
authors.affiliation: Human Medicines Evaluation Division - Rheumatology, Respiratory, Gastroenterology & Immunology, European Medicines Agency, London, UK.
authors.forename: Richard
authors.initials: R
authors.lastname: Veselý
mesh_terms: D001171:Arthritis, Juvenile; D006801:Humans; D012720:Severity of Illness Index