1. Tsuboi M, Hasegawa Y, Suzuki S, Wingstrand H, Thorngren K-G (2007) Mortality and mobility after hip fracture in Japan: a ten-year follow-up. JBJS 89(4):461–466
2. Song Q-C, Dang S-J, Zhao Y, Wei L, Duan D-P, Wei W-B (2022) Comparison of clinical outcomes with proximal femoral nail anti-rotation versus bipolar hemiarthroplasty for the treatment of elderly unstable comminuted intertrochanteric fractures. BMC Musculoskelet Disord 23(1):628
3. Kim S-Y, Kim Y-G, Hwang J-K (2005) Cementless calcar-replacement hemiarthroplasty compared with intramedullary fixation of unstable intertrochanteric fractures: a prospective, randomized study. JBJS 87(10):2186–2192
4. Sinno K, Sakr M, Girard J, Khatib H (2010) The effectiveness of primary bipolar arthroplasty in treatment of unstable intertrochanteric fractures in elderly patients. N Am J Med Sci 2(12):561–568. https://doi.org/10.4297/najms.2010.2561
5. Mansukhani SA, Tuteja SV, Kasodekar VB, Mukhi SR (2017) A comparative study of the dynamic hip screw, the cemented bipolar hemiarthroplasty and the proximal femoral nail for the treatment of unstable intertrochanteric fractures. J Clin Diagn Res 11(4):RC14