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Fig. 2 | Journal of Orthopaedic Surgery and Research

Fig. 2

From: Infrapatellar fat pad resection or preservation during total knee arthroplasty: a meta-analysis of randomized controlled trials

Fig. 2

Risk of bias included in the randomized controlled trials. Legend: Plus sign indicates no bias; hyphen, bias; and question mark, bias unknown. Six studies adequately described the correct randomization and sufficient allocation concealment. Nine studies described the blinding of outcome assessment, and three studies described the blinding of participants and personnel. All studies retained complete outcome data, avoided selective reporting, and had an unclear risk of other bias

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