Table 2.
Author, year | 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 | Score |
---|---|---|---|---|---|---|---|---|---|
Hyun et al., 2012 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 0 | 13 |
Choi et al., 2008 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 0 | 11 |
Zhang et al., 2015 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 0 | 13 |
So et al., 2012 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 0 | 13 |
0, represented that the item was not reported in the article; 1, represented that the item was reported but deficiently; 2, represented that the item was reported completely and appropriately.