Table 2 Risk of bias assessment of articles included for analysis in systematic review of arm A.
Risk domains | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Author | Risk of Bias due to confounding | Risk of Bias in selection of participants into study | Risk of Bias in classification of interventions | Risk of Bias due to deviation from intended interventions | Risk of Bias due to missing data | Risk of Bias in measurement of outcomes | Risk of Bias in selection of the reported result | Overall | |
1 | Welsh et al. [18] | Serious | Low | No information | Low | Moderate | Moderate | Moderate | Serious |
2 | Dworsky et al. [19] | Serious | Moderate | Moderate | Moderate | Low | Moderate | Moderate | Serious |
3 | Hamprecht et al. [4] | Low | Low | Low | Low | Moderate | Low | Moderate | Moderate |
12 | Yoo et al. [28] | Moderate | Low | Low | Low | Low | Low | Low | Moderate |
13 | Stock et al. [29] | Low | Low | Low | Low | Moderate | Low | Low | Moderate |
18 | Donalisio et al. [30] | Low | Low | Low | Moderate | Low | Low | Low | Moderate |
23 | Gaya et al. [32] | Moderate | Low | Low | Low | Low | Low | Low | Moderate |
20 | Bapistella et al. [31] | Low | Low | Low | Moderate | Moderate | Low | Low | Moderate |
5 | Buxmann et al. [35] | Low | Low | Low | Low | Low | Low | Low | Low |
8 | Wakabayashi et al. [42] | Low | Low | Low | Low | Low | Low | Low | Low |
11 | Omarsdottir et al. [24] | Moderate | Low | Low | Serious | Serious | Moderate | Serious | Serious |
14 | Hosseini et al. [16] | Low | Low | Low | Low | Low | Low | Low | Low |
16 | Balcells et al. [25] | Low | Low | Serious | Low | Low | Low | Low | Serious |
19 | Sam et al. [17] | Low | Low | Low | Low | Moderate | Low | Low | Moderate |
15 | Lloyd et al. [21] | Low | Low | Low | Low | Low | Low | Low | Low |
17 | Ben-Shoshan et al. [39] | Low | Low | Low | Low | Low | Low | Low | Low |
22 | Mikawa et al. [20] | Low | Low | Low | Low | Low | Low | Low | Low |
21 | Maschmann et al. [40] | Low | Low | Low | Low | Low | Low | Low | Low |
24 | Hernandez-Alverado et al. [33] | Moderate | Low | Low | Low | Moderate | Low | Low | Moderate |
6 | Jim et al. [36] | Low | Low | Low | Low | Low | Low | Low | Low |
4 | Jim et al. [26] | Low | Low | Low | Low | Low | Low | Moderate | Moderate |
7 | Hayashi et al. [23] | Low | Low | Low | Serious | Low | Low | Low | Serious |
9 | Josephson et al. [27] | Moderate | Low | Low | Moderate | Moderate | Low | Low | Moderate |
10 | Romero Gomez et al. [38] | Low | Low | Low | Low | Low | Low | Low | Low |
25 | Volder et al. [34] | Low | Low | Low | Moderate | Low | Low | Low | Moderate |
26 | Pitino et al. [9] | Low | Low | Low | Low | Low | Low | Low | Low |
