comparative study of the direct anterior with mini-posterior approach: 2 consecutive series. J Arthroplasty. 2009; 24(5):698- 704. 100 (10) IV 9 Restrepo C, Parvizi J, Pour AE, Hozack WJ. Prospective randomized study of 2 surgical approaches for total hip arthroplasty. J Arthroplasty. 2010; 25(5):671-9.e1. 97 (10.8) I 10 Mayr E, Nogler M, Benedetti MG, et al. A prospective randomized assessment of earlier functional recovery in THA patients treated by minimally invasive direct anterior approach: a gait analysis study. Clin Biomech (Bristol, Avon). 2009; 24(10):812-8. 95 (9.5) I 11 Woolson ST, Pouliot MA, Huddleston JI. Primary total hip arthroplasty using an anterior approach and a fracture table: short-term results from a community hospital. J Arthroplasty. 2009; 24(7):999- 1005. 92 (9.2) IV 12 Spaans AJ, Van den hout JA, Bolder SB. High complication rate in the early experience of minimally invasive total hip arthroplasty by the direct anterior approach. Acta Orthop. 2012; 83(4):342-6. 83 (11.9) II 13 Light TR, Keggi KJ. Anterior approach to hip arthroplasty. Clin Orthop Relat Res. 1980; (152):255-60. 80 (2.1) NA 14 Goulding K, Beaule PE, Kim PR, Fazekas A. Incidence of lateral femoral cutaneous nerve neuropraxia after anterior approach hip arthroplasty. Clin Orthop Relat Res. 2010; 468(9):2397-404. 77 (8.6) III 15 Bhandari M, Matta JM, Dodgin D, et al. Outcomes following the single-incision anterior approach to total hip arthroplasty: a multicenter observational study. Orthop Clin North Am. 2009; 40(3):329- 42. 76 (7.6) IV 16 Berend KR, Lombardi AV, Seng BE, Adams JB. Enhanced early outcomes with the anterior supine intermuscular approach in primary total hip arthroplasty. J Bone Joint Surg Am. 2009; 91 Suppl 6:107-20. 75 (7.5) III 17 Seng BE, Berend KR, Ajluni AF, Lombardi AV. Anterior-supine minimally invasive total hip arthroplasty: defining the learning curve. Orthop Clin North Am. 2009; 40(3):343-50. 75 (7.5) NA 18 Goebel S, Steinert AF, Schillinger J, et al. Reduced postoperative pain in total hip arthroplasty after minimal-invasive anterior approach. Int Orthop. 2012; 36(3):491-8. 68 (9.7) III 19 Rodriguez JA, Deshmukh AJ, Rathod PA, et al. Does the direct anterior approach in THA offer faster rehabilitation and comparable safety to the posterior approach?. Clin Orthop Relat Res. 2014; 472(2):455-63. 65 (8.1) II 20 Bremer AK, Kalberer F, Pfirrmann CW, Dora C. Soft-tissue changes in hip abductor muscles and tendons after total hip replacement: comparison between the direct anterior and the transgluteal approaches. J Bone Joint Surg Br. 2011; 93(7):886-9. 65 (13) III 21 Sariali E, Leonard P, Mamoudy P. Dislocation after total hip arthroplasty using Hueter anterior approach. J Arthroplasty. 2008; 23(2):266-72. 65 (5.9) II 22 Higgins BT, Barlow DR, Heagerty NE, Lin TJ. Anterior vs posterior approach for total hip arthroplasty, a systematic review and meta-analysis. J Arthroplasty. 2015; 30(3):419-34. 63 (15.8) I 23 Poehling-monaghan KL, Kamath AF, Taunton MJ, Pagnano MW. Direct anterior vs miniposterior THA with the same advanced perioperative protocols: surprising early clinical results. Clin Orthop Relat Res. 2015; 473(2):623-31. 59 (14.8) III 24 Christensen CP, Karthikeyan T, Jacobs CA. Greater prevalence of wound complications requiring reoperation with direct anterior approach total hip arthroplasty. J Arthroplasty. 2014; 29(9):1839- 41. 57 (11.4) III 25 Kennon R, Keggi J, Zatorski LE, Keggi KJ. Anterior approach for total hip arthroplasty: beyond the minimally invasive technique. J Bone Joint Surg Am. 2004;86-A Suppl 2:91-7. 55 (3.7) IV 26 Lovell TP. Single-incision direct anterior approach for total hip arthroplasty using a standard operating table. J Arthroplasty. 2008; 23(7 Suppl):64-8. 54 (4.9) NA 27 Taunton MJ, Mason JB, Odum SM, Springer BD. Direct anterior total hip arthroplasty yields more rapid voluntary cessation of all walking aids: a prospective, randomized clinical trial. J Arthroplasty. 2014; 29(9 Suppl):169-72. 52 (10.4) I 28 Zawadsky MW, Paulus MC, Murray PJ, Johansen MA. Early outcome comparison between the direct anterior approach and the mini-incision posterior approach for primary total hip arthroplasty: 150 consecutive cases. J Arthroplasty. 2014; 29(6):1256-60. 52 (10.4) III 29 Petis S, Howard JL, Lanting BL, Vasarhelyi EM. Surgical approach in primary total hip arthroplasty: anatomy, technique and clinical outcomes. Can J Surg. 2015; 58(2):128-39. 51 (12.8) NA 30 De steiger RN, Lorimer M, Solomon M. What is the learning curve for the anterior approach for total hip arthroplasty?. Clin Orthop Relat Res. 2015; 473(12):3860-6. 48 (12) III 31 Post ZD, Orozco F, Diaz-ledezma C, Hozack WJ, Ong A. Direct anterior approach for total hip arthroplasty: indications, technique, and results. J Am Acad Orthop Surg. 2014; 22(9):595-603. 48 (8) NA 32 48 (9.6) III 192 C.M. Mikhail et al. / Arthroplasty Today 6 (2020) 190e195 publication, type of study (randomized control trial, cohort study, case-control, case series, case report, systematic review article, expert opinion), and level of evidence for clinical articles as determined by The Journal of Bone and Joint Surgery guidelines [26]. As per Journal of Bone and Joint Surgery guidelines, the level of evidence of systematic reviews was determined by the level of evidence of the articles analyzed. Articles that reviewed the literature in a nonsystematic