PEDSQL 4.0 in Children with Osteogenesis Imperfecta After the Covid-19 Pandemic Dyatiara Wulandari1, Mohammad Faizi2*, Tri Wahyu Martanto3, Nur Rochmah2 Abstract Background: Osteogenesis Imperfecta (OI) is an autosomal dominant genetic disorder caused by mutations in the COL1A1 and COL1A2 genes, resulting in brittle bones and an increased risk of