Table 4: Summary table of risk of bias Table 4: Summary table of risk of bias Table 4: Summary table of risk of bias Table 4: Summary table of risk of bias Table 4: Summary table of risk of bias Table 4: Summary table of risk of bias Table 4: Summary table of risk of bias
Study Author Source of Data Outcomes to be Predicted Candidate Predictors Sample Size Missing Data Statistical Analysis
Ahmadzia et al., 201814 +/- - + + ? -
Baba et al., 201415 +/- + + - ? -
Biguzzi et al., 201116 ? + + + ? +
Chi et al., 201617 +/- - - + ? -
Dunkerton et al., 201818 +/- + + + ? +
Kim et al., 201719 +/- + - - ? +
Lee et al., 201820 +/- + - - ? -
Prata et al., 201121 + + + - ? -
Rubio-Alvarez et al.,201822 +/- + + - ? +
Tsu 199423 +/- - + + ? -
Yoon et al., 201424 + + + - ? -