Femoral varus deformity predominates in male Chinese osteoarthritis patients with geographic variability in functional knee phenotypes. - Li, Songlin; He, Jiaming; Zheng, Weibo; Li, Xuezhou; Yang, Jie; Li, Zhe; Sun, Houyi; Miao, Zhuang; Qian, Wenwei; Liu, Peilai; Lu, Qunshan (Knee Surgery, Sports Traumatology, Arthroscopy, 2025)