Do joint-preserving hip procedures compromise subsequent total hip arthroplasty? A meta-analysis of complications, functional outcome and survivorship

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Table 3

MINORS quality and risk of bias assessment.

Study	Total	A clearly stated aim	Inclusion of consecutive patients	Prospective collection of data	Endpoints appropriate to the aim of the study	Unbiased assessment of the study endpoint	Follow-up period appropriate to the aim of the study	Loss to follow up less than 5%	An adequate control group	Contemporary groups	Baseline equivalence of groups	Adequate statistical analyses
Amanatullah et al.	18	2	0	1	2	2	2	2	2	1	2	2
Boos et al.	17	2	0	1	2	2	2	1	2	2	1	2
Erdoğan and Can	18	2	0	1	2	2	2	2	2	2	1	2
George et al.	18	2	2	1	2	2	2	1	2	0	2	2
Hashemi-Nejad et al.	19	2	0	1	2	2	2	2	2	2	2	2
Haverkamp et al.	20	2	2	1	2	2	2	2	2	2	1	2
Kawasaki et al.	20	2	2	1	2	2	2	1	2	2	2	2
Lee et al.	15	2	0	1	2	2	2	0	2	0	2	2
Migaud et al.	19	2	2	1	2	2	1	1	2	2	2	2
Minoda et al.	16	2	0	0	2	2	2	0	2	2	2	2
Osawa et al.	17	2	2	0	2	2	1	0	2	2	2	2
Peters et al.	17	2	0	1	2	2	2	2	2	0	2	2
Richards et al.	16	2	0	1	2	2	2	2	2	0	1	2
Søballe et al.	19	2	2	0	2	2	2	2	2	2	1	2
Tamaki et al.	21	2	2	1	2	2	2	2	2	2	2	2
Tokunaga et al.	16	2	0	1	2	2	2	2	2	0	1	2

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