Table 2.
Quality criteria | Clark et al. [10] | Neubeck et al. [18] | Inglis et al. [8] | Martínez et al. [26] | Agarwal et al. [17] | Klersy et al. [23] | Chaudhry et al. [21] | Giamouzis et al. [22] | Seto [27] | Verberk et al. [20] | Louis et al. [24] | Maric et al. [25] | Omboni et al. [19] |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Search methods used to find evidence stated |
3 |
1 |
3 |
3 |
3 |
3 |
3 |
2 |
3 |
3 |
3 |
2 |
3 |
Search for evidence reasonably comprehensive |
3 |
3 |
3 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
Criteria used for deciding which studies to include reported |
3 |
3 |
3 |
2 |
3 |
2 |
2 |
3 |
3 |
3 |
2 |
3 |
3 |
Bias in the selection of studies avoided |
3 |
3 |
3 |
2 |
3 |
3 |
2 |
3 |
3 |
3 |
2 |
3 |
3 |
Criteria used for assessing validity of included studies reported |
3 |
3 |
3 |
3 |
2 |
2 |
2 |
1 |
1 |
1 |
1 |
1 |
1 |
Validity of included studies assessed appropriately |
3 |
3 |
2 |
3 |
2 |
2 |
2 |
1 |
1 |
1 |
1 |
1 |
1 |
Methods used to combine the findings of studies reported |
3 |
3 |
3 |
3 |
3 |
3 |
3 |
2 |
3 |
3 |
2 |
2 |
3 |
Findings of studies combined appropriately |
3 |
3 |
3 |
3 |
3 |
3 |
3 |
2 |
3 |
3 |
2 |
2 |
2 |
Conclusions made by authors supported by analysis |
3 |
3 |
3 |
3 |
3 |
3 |
2 |
3 |
3 |
2 |
3 |
2 |
3 |
Overall Quality Score | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 3 | 3 | 3 | 3 | 2 | 2 |