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Table 1 Demographic characteristics of patients

From: Clinical, functional and radiographic outcomes of primary total hip arthroplasty between direct anterior approach and posterior approach: a systematic review and meta-analysis

StudyYearStudy designSurgeon Numberfollow-up timeCases DAA:PAages DAA:PAmale/female DAA:PABMI DAA:PAlearning cases
Barrett2013RCT112 months43:4461.4 ± 9.2: 63.2 ± 7.729/14: 19/2530.7 ± 5.4:29.1 ± 5.0NO
Cheng2016RCT212 weeks35:3759: 62.515/20: 18/2027.7 28.3NO
Christensen2015RCT16 weeks28:2364.3 ± 9.1:65.2 ± 9.113/15: 11/1231.1 ± 5.1:30.4 ± 3.6NO
Luo2016RCT116 months52:5261.5 ± 7.2:63.7 ± 6.817/35: 22/3022.7 ± 4.4:24.2 ± 3.7NO
Rykov2017RCT36 weeks23:2362.8 ± 6.1:60.2 ± 8.18/15: 11/1229.0 ± 5.6:29.3 ± 4.8NO
Zhang2006RCTNot clear30 months60:6061: 62.525/35: 28/32not statedNO
Zhao2017RCTNot clear6 months60:6064.88 ± 12.13:62.18 ± 14.7224/36: 26/3424.3 ± 53.1:25.58 ± 2.83NO