Table 3.

Results of risk-of-bias assessment for randomized trials, according to the current version of the Cochrane RoB 2 tool.

Study	Randomization Process	Deviations from Intended Interventions	Missing Outcome Data	Measurement of Outcome Data	Selection of the Reported Result	Overall Risk-of-Bias Judgment
Cui, J. et al. [25]	Some concerns	Some concerns	Low risk	Some concerns	Some concerns	Some concerns
Woelber, J.P. et al. [26]	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
Balci Yuce, H. et al. [27,28]	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
Jankovskis, V. et al. [29]	Low risk	Low risk	Low risk	Low risk	Some concerns	Low risk