di Reumatologia, Società Italiana, trans. 2025. “PO:31:172 | Age and Timing of Onset of Raynaud’s Phenomenon and First Non-Raynaud Sign Symptom As Prognostic Factors in Systemic Sclerosis: a Retrospective Analysis from the Systemic Sclerosis Progression Investigation Registry of the Italian Society for Rheumatology: Silvia Peretti1, Cosimo Bruni2, Silvia Laura Bosello3, Fabio Cacciapaglia4-5, Corrado Campochiaro6-7, Veronica Codullo8, Lorenzo Dagna6-7, Rossella De Angelis9, Giacomo De Luca6-7, Dilia Giuggioli10, Serena Guiducci1, Florenzo Iannone4, Francesca Ingegnoli11, Valeria Riccieri12, Marco Matucci Cerinic6-7, Clodoveo Ferri10-13, Silvia Bellando Randone1. | 1Division of Rheumatology, Scleroderma Unit, Department of Experimental and Clinical Medicine, University of Florence, AO, Firenze, Italy; 2Division of Rheumatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland; 3Rheumatology Division, Catholic University of the Sacred Heart, Fondazione Policlinico Universitario A. Gemelli- IRCCS, Roma, Italy; 4Rheumatology Unit, Department of Precision and Regenerative Medicine-Ionian Area, University of Bari Aldo Moro, Bari, Italy; 5Reumatology Service, Internal Medicine Unit F.Miulli General Hospital, Acquaviva Delle Fonti -Department of Medicine A, Bari, Italy; 6Unit of Immunology, Rheumatology, Allergy and Rare Diseases UnIRAR, Inflammation, Fibrosis and Ageing Initiative INFL, Milano, Italy; 7Vita-Salute San Raffaele University, Milano, Italy; 8Department of Internal Medicine and Therapeutics, Università Di Pavia, Italy; Division of Rheumatology, Fondazione IRCCS, Pavia, Italy; 9Rheumatology Unit, Department of Clinical and Molecular Sciences, Polytechnic University of Marche, Ancona, Italy; 10Rheumatology Unit, School of Medicine, University of Modena and Reggio Emilia, Modena, Italy; 11Division of Clinical Rheumatology, ASST Pini, Dept. Of Clinical Sciences and Community Health, Research Center for Adul, Milano, Italy; 12Department of Rheumatology, Sapienza University of Rome, Roma, Italy; 13Rheumatology Clinic Madonna Dello Scoglio Crotonei, Crotone, Italy”. Reumatismo 77 (s1). https://doi.org/10.4081/reumatismo.2025.2073.