Taper-wedge stem suitable for anterior approach total hip arthroplasty: Adequate biomechanical reconstruction parameters and excellent clinical outcome at mid-term follow-up

Figure 1 Comparison of postoperative femoral offset, abductors lever arm and leg length with preoperative and contralateral parameters. ^aP < 0.05, ^bP < 0.01; ns: Not significant. postOP: Postoperative; FO: Femoral offset; ALA: Abductors lever arm; LL: Leg length; preOP: Preoperative; cntr: Contralateral.

Figure 2 Patient with bilateral prosthesis. Right hip at 36 mo since surgery with distal femoral cortical hypertrophy in Gruen zones 2 and 3; left hip at 18 mo postoperative without cortical hypertrophy.

Figure 3 Box plot for Hip disability and Osteoarthritis Outcome scores at final follow-up (median, 25^th and 75^th percentile, max and min values, outliers). HOOS: Hip disability and Osteoarthritis Outcome Score; ADL: Activities of daily living; QoL: Quality of life.