Effect of nanoparticles on gouty arthritis: a systematic review and meta-analysis

Table 2 SYRCLE’s risk of bias tool

Author/Year	Baseline Characteristics	Sequence Generation	Allocation Concealment	Random Housing	Blinding (Performance)	Random Outcome Assessment	Blinding (Detection)	Incomplete Outcome Data	Selective Outcome Reporting	Other Sources of Bias
Kiyani MM; Butt MA, 2021 [16]	+	?	?	+	+	+	+	+	+	+
Wang S, 2019 [20]	+	?	?	+	+	+	+	-	+	+
Kiyani MM; Moghul NB, 2021 [33]	+	?	?	+	+	+	+	+	+	+
Liu Y, 2020 [22]	+	?	?	+	+	+	+	+	+	+
Kiyani MM; Butt MA, 2019 [17]	+	?	?	+	+	+	+	+	+	+
Kiyani MM; Sohail MF, 2019 [21]	+	?	?	+	+	+	?	+	+	+
Kiyani MM; Rehman H, 2020 [32]	+	?	?	+	+	+	+	?	+	+
Wang X, 2019 [25]	+	?	?	+	+	?	+	+	+	+
Hao Y, 2019 [24]	+	?	?	+	+	+	?	+	+	+
Zhang J, 2021 [23]	+	?	?	+	+	+	?	+	+	+

+ , indicates low risk of bias; − , indicates high risk of bias; ?, indicates unclear risk of bias

ISSN: 1471-2474