Table 8 Inter-reviewer K-coefficient for agreement of MINORS criteria for quality assessment of included studies
Item number | Methodological item for nonrandomized studies | K-coefficient |
|---|---|---|
1 | A clearly stated aim | 1 |
2 | Inclusion of consecutive patients | 1 |
3 | Prospective collection of data | 1 |
4 | Endpoints appropriate to the aim of the study | 1 |
5 | Unbiased assessment of the study end point | 1 |
6 | Follow-up period appropriate to the aim of the study | 1 |
7 | Loss to follow-up less than 5% | 0.76 |
8 | Prospective calculation of the study size | 0.75 |
9 | An adequate control group | 0.75 |
10 | Contemporary groups | 1 |
11 | Baseline evidence of groups | 1 |
12 | Adequate statistical analysis | 1 |