Letter to the editor: What makes fixation of femoral neck fractures fail? A systematic review and meta-analysis of risk factors

Affiliations

• ¹ Department of Orthopedic Surgery, Tazawako Hospital, 17-1 Ukiyozaka Obonai, Tazawako, Semboku, Akita, 014-1201, Japan; Scientific Research WorkS Peer Support Group (SRWS-PSG), 1-7-7 Koraibashi, Chuo-ku, Osaka 541-0043, Japan.
• ² Scientific Research WorkS Peer Support Group (SRWS-PSG), 1-7-7 Koraibashi, Chuo-ku, Osaka 541-0043, Japan; Department of Orthopedic Surgery, Miyamoto Orthopedic Hospital, Okayama 773-8236, Japan. Electronic address: norio-yamamoto@umin.ac.jp.
• ³ Department of Physical Therapy, Faculty of Health Care, Takasaki University of Health and Welfare, Takasaki 370-0033, Japan.