Table 6.
References | A clearly stated aim | Inclusion of consecutive patients | Prospective collection of data | Endpoints appropriate to the aim of the study | Unbiased assessment of the study endpoint | Follow-up period appropriate to the aim of the study | Loss to follow up less than 5% |
Prospective calculation of the study size | Adequate control group | Contemporary groups | Baseline Equivalence | Adequate statistical analyses | Total |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sadlier et al. (13) | 2 | 1 | 2 | 2 | 0 | 2 | 1 | 0 | 2 | 2 | 1 | 2 | 17/24 |
McKenna et al. (36) | 2 | 2 | 2 | 2 | 0 | 2 | 1 | 0 | NA | NA | NA | NA | 11/16 |
Roland et al. (39) | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 0 | NA | NA | NA | NA | 12/16 |
Gans et al. (40) | 2 | 2 | 2 | 2 | 0 | 1 | 0 | 0 | NA | NA | NA | NA | 9/16 |
0, not reported; 1, reported but inadequate; 2, reported and adequate.