Application of PRP in Chloasma: A Meta-Analysis and Systematic Review

Table 3

ROBINS-I risk of bias summary for nonrandomized controlled studies and before-after studies.

Author, year	Domain
	Obscure	Choice of participants	Classification of intervention measures	Deviations from intended interventions	Missing data	Comparison of results	Choice of the reported result
Hofny et al. 2019 [3]	Mild	Lower	Lower	Lower	Lower	Mild	Lower
Tuknayat et al. 2020 [17]	Mild	Lower	Lower	Mild	Uncertain	Mild	Uncertain
Mumtaz et al. 2021 [1]	Mild	Lower	Lower	Lower	Lower	Mild	Lower
Tuknayat et al. 2021 [2]	Mild	Lower	Lower	Lower	Lower	Mild	Mild
Faiz and Meng 2018 [20]	Mild	Lower	Lower	High	Mild	Mild	Mild