Study, Author, year | Clearly stated aim | Inclusion of consecutive patients | 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 <5% | Prospective calculation of the study size | Total |
---|---|---|---|---|---|---|---|---|---|
Tegels JJ et al., 2014 [20] | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 1 | 13 |
Sato T et al., 2016 [21] | 1 | 2 | 2 | 1 | 2 | 2 | 2 | 1 | 13 |
Fukuda Y et al.,2016 [22] | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 1 | 14 |
Wang S-L et al., 2016 [23] | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 16 |
Tegels JJ et al., 2015 [15] | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 14 |
Zhuang CL et al.,2016 [24] | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 16 |
Chen FF et al., 2016 [19] | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 16 |
Nishigori T et al., 2016 [25] | 1 | 2 | 2 | 1 | 2 | 2 | 2 | 1 | 13 |