Table 2 Jadad scoring scale of methodological risk of bias
Author (date) | Was the study described as randomised? | Was the randomization scheme described and appropriate? | Was the study described as double-blind? | Was the method of blinding appropriate? | Was there a description of dropouts and withdrawals? | Jadad score 0–5 | |
|---|---|---|---|---|---|---|---|
1 | Darwish (2018) [23] | 1 | 1 | 0 | 0 | 1 | 3 |
2 | El-Asheer (2021) [24] | 1 | 1 | 0 | 0 | 1 | 3 |
3 | El-Hawy (2021) [30] | 1 | 0 | 0 | 0 | 0 | 1 |
4 | El-Nasr (2021) [34] | 1 | 0 | 0 | 0 | 1 | 2 |
5 | Kamal (2021) [31] | 1 | 0 | 0 | 0 | 0 | 1 |
6 | Macciò (2010) [20] | 1 | 0 | 0 | 0 | 1 | 2 |
7 | Nappi (2009) [21] | 1 | 0 | 1 | 1 | 1 | 4 |
8 | Omar (2021) [32] | 1 | 1 | 0 | 0 | 1 | 3 |
9 | Paesano (2006) [22] | 1 | 0 | 0 | 0 | 1 | 2 |
10 | Paesano (2010) [19] | 1 | 0 | 0 | 0 | 1 | 2 |
11 | Rezk (2016) [33] | 1 | 1 | 0 | 0 | 1 | 3 |
12 | Hemeda (2018) [35] | 1 | 1 | 0 | 0 | 0 | 2 |
13 | El-Khawaga (2019) [36] | 1 | 0 | 0 | 0 | 0 | 1 |
14 | Atia (2021) [37] | 1 | 0 | 0 | 0 | 0 | 1 |
15 | Fawzy Mohamed (2020) [25] | 1 | 0 | 0 | 0 | 1 | 2 |
16 | Bayoumy (2021) [26] | 1 | 1 | 0 | 0 | 1 | 3 |
17 | Ali (2015) [29] | 1 | 0 | 0 | 0 | 0 | 1 |
18 | El Amrousy (2022) [27] | 1 | 1 | 0 | 0 | 1 | 3 |