Review Article
Comparison between Zip-Type Skin Closure Device and Staple for Total Knee Arthroplasty: A Meta-Analysis
Table 1
Quality assessment for nonrandomized trials.
| Quality assessment for nonrandomized trials | Alnachoukati 2019 | Carli 2017 | Ko 2017 | Sutton 2018 | Takayama 2017 |
| A clearly stated aim | 2 | 2 | 2 | 2 | 2 | Inclusion of consecutive patients | 2 | 2 | 2 | 2 | 2 | Prospective data collection | 0 | 2 | 0 | 2 | 2 | Endpoints appropriate to the aim of the study | 2 | 2 | 2 | 2 | 2 | Unbiased assessment of the study endpoint | 2 | 2 | 2 | 2 | 2 | A follow-up period appropriate to the aims of study | 2 | 2 | 2 | 2 | 2 | Less than 5% loss to follow-up | 2 | 2 | 2 | 2 | 2 | Prospective calculation of the sample size | 0 | 0 | 0 | 0 | 0 | An adequate control group | 2 | 2 | 2 | 2 | 2 | Contemporary groups | 2 | 2 | 2 | 2 | 2 | Baseline equivalence of groups | 2 | 2 | 2 | 2 | 2 | Adequate statistical analyses | 2 | 2 | 2 | 2 | 2 | Total score | 20 | 22 | 20 | 22 | 22 |
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