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Open Access Academic Papers from Research Square

42 results found
Research Article posted

Explainable Machine Learning for Predicting Progression From IgA Vasculitis to IgA Vasculitis Nephritis in Children: A Dual-Centre Retrospective Study

Qingkai Wang, Hao Qiu, Liran Shen, Jinxing Dai, Fachen Miao, Qianjin Shi, Yunbiao Zhang, Kang Shen, Weibing Qiu

Objective IgA vasculitis nephritis (IgAVN) plays a decisive role in the long-term prognosis of pediatric IgA vasculitis (IgAV), yet the temporal lag of routine urinalysis frequently hinders early and ...

Research Square 2026-04-20 rs-9261325
IgA vasculitis IgA vasculitis nephritis Machine learning Risk strat-ification
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Research Article under-review

Parental perceptions of children's physical activity participation: an exploration of satisfaction, school-based engagement, barriers to participation and preferred strategies for improvement

Chidiebele Petronilla Ojukwu, Okolo Chukwunonyelum Judith, Fatai Kadiree Ekundayo, Adaeze I Onyekwelu, Chiedozie Eleje, Juliet Ekowa

Background Physical activity (PA) is essential for children’s physical, cognitive, and psychosocial development; however, many children do not meet recommended PA levels, particularly in low- and midd...

BMC Public Health 2026-04-20 rs-8921294
Children Physical activity Parental perceptions School-based physical activity Community participation Nigeria
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