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Table 2 Methodological quality assessment of the selected randomized controlled trials

From: Comparison of minimally invasive percutaneous fixation and open reduction internal fixation for patella fractures: a meta-analysis

Study, year of publication

Selection bias

Performance bias

Attrition bias

Detection bias

Reporting bias

Overall bias

Shao et al., 2019 [28]

Low risk

Some concerns

Low risk

Some concerns

Low risk

Some concerns

Lin et al., 2015 [27]

Some concerns

Some concerns

Low risk

Some concerns

Low risk

Some concerns

Mao et al., 2013 [26]

Some concerns

Some concerns

Low risk

Some concerns

Low risk

Some concerns

Luna-Pizarro et al., 2006 [24]

Some concerns

Some concerns

Low risk

Some concerns

Low risk

Some concerns