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Table 3 Methodological quality assessment of the selected nonrandomized studies

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

Study, year of publication Bias due to confounding Bias in selection of participants Bias in classification of interventions Bias due to deviations from intended interventions Bias due to missing data Bias in measurement of outcomes Bias in selection of reported results Overall risk of bias judgment
Vicenti et al., 2020 [10] Low Low Low Low Low Moderate Low Moderate
Chiang et al., 2011 [20, 25] Low Moderate Low Moderate Low Moderate Moderate Moderate