Thongpet, T., Thongpeth, W. and Kraonual, S. 2026. Risk Factors for Postoperative Delirium in Older Adults Undergoing Major Orthopedic Surgery: A Systematic Review and Meta-Analysis. Journal of Southeast Asian Orthopaedics. 50, 2 (Mar. 2026), 20–30. DOI:https://doi.org/10.56929/jseaortho-2026-0289.