AP acute pancreatitis CHU Centre Hospitalier Universitaire CI confidence interval DAMU Direction des Affaires Médicales Universitaires EN enteral nutrition ERCP endoscopic retrograde cholangiopancreatography INSPPIRE INternational Study Group of Paediatric Pancreatitis: In Search for a CuRE IQR interquartile range NASPGHAN North American Society for Paediatric Gastroenterology, Hepatology and Nutrition NPO nil per os PN parenteral nutrition SAP severe acute pancreatitis SD standard deviation...