Table 1 Quality assessment of included randomized controlled trials
The first author, the year | Random Sequence Generation | Allocation concealment | Blinding of Participants and Personnel | Blinding of Outcome assessment | Incomplete outcome data | Selective reporting | Other sources of bias |
|---|---|---|---|---|---|---|---|
Pourabbas,2023 [21] | computer-generated | unclear | doubleblinded | unclear | no | no | unclear |
Aldosari, 2023 [17] | unclear | unclear | doubleblinded | unclear | no | no | unclear |
Javed, 2017 [20] | tossing a coin | unclear | unclear | unclear | no | no | unclear |
Alsayed, 2023 [18] | Online randomizer | Sealed nontransparent envelopes | unclear | unclear | no | no | unclear |
Deeb, 2020 [19] | unclear | unclear | doubleblinded | unclear | no | no | unclear |
Shetty, 2022 [23] | computer-generated | unclear | doubleblinded | unclear | no | no | unclear |
Al Rifaiy, 2018 [16] | tossing a coin | Sealed nontransparent envelopes | doubleblinded | unclear | no | no | unclear |