The Relationship Between Age and Gender with Ferguson Angle in Low Back Pain Patients: A Retrospective Study Siti Maryam Wahab1, Widiana Ferriastuti2,3*, Lukas Widhiyanto4,5, Hanik Badriyah Hidayati6,7 Abstract Background: Low back pain (LBP) is defined as a global musculoskeletal problem, considered to have a high risk of disability years. LBP