Study | Sequence Generation | Allocation concealment | Blinding of participant and personnel | Blinding of outcome assessors | Incomplete outcome data | Selective outcome reporting | |
Cochrane Risk of Bias Tool | |||||||
Zarepur et al. [21] | U | L | H | H | L | L | |
Luckraz et al. [20] | H | H | H | H | L | L | |
Study | Bias due to confounding | Bias due to selection of participants | Bias in classification of interventions | Bias due to deviations of intended interventions | Bias due to missing data | Bias in measurements of outcomes | Bias in selection of the reported results |
ROBINS-I Tool | |||||||
Aguirre et al. [6] | S | M | M | S | L | M | L |
Lopes et al. [22] | S | S | M | M | NI | M | L |
Temizkan et al. [12] | M | L | M | M | NI | M | L |