Table 1
Minors scores for each study to assess methodological quality.
Authors | Score/16 | Risk of bias | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
---|---|---|---|---|---|---|---|---|---|---|
Saltzman et al. [11] | 10 | High | 2 | 2 | 0 | 2 | 1 | 1 | 2 | 0 |
Monllau et al. [12] | 11 | High | 2 | 2 | 0 | 2 | 1 | 2 | 2 | 0 |
Subairy et al. [13] | 8 | High | 2 | 2 | 0 | 2 | 0 | 0 | 2 | 0 |
Ogut et al. [15] | 11 | High | 2 | 2 | 1 | 2 | 0 | 2 | 2 | 0 |
Dodd et al. [14] | 11 | High | 2 | 2 | 0 | 2 | 1 | 2 | 2 | 0 |
Sitte et al. [16] | 10 | High | 2 | 2 | 1 | 2 | 0 | 1 | 2 | 0 |
Wajsfisz et al. [17] | 12 | Low | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 0 |
Kadakia et al. [18] | 12 | Low | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 0 |
Hama et al. [19] | 12 | Low | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 0 |
Wagener et al. [20] | 12 | Low | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 0 |
Oliveira et al. [21] | 8 | High | 2 | 2 | 0 | 2 | 0 | 0 | 2 | 0 |
Bardas et al. [22] | 12 | Low | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 0 |
Numbers signification: 1. A clearly stated aim; 2. Inclusion of consecutive patients; 3. Prospective collection of data; 4. Endpoints appropriate to the aim of the study; 5. Unbiased evaluation of the study endpoint; 6. Follow-up period appropriate to the aim of the study; 7. Loss to follow-up less than 5%; 8. Prospective calculation of the study size. The final score comprises the results of 8 items or 12 items in the case of comparative studies.
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