Table 3 Study design, CEBM level of evidence, and proximal margin measurement
Study | N | Study design | CEBM level of evidence | Proximal margin measurement |
|---|---|---|---|---|
Papachristou et al. [23] | 101 | Retrospective | 4 | Macroscopic, before fixation |
Barbour et al. [19] | 505 | Retrospective | 4 | Macroscopic, before fixation |
Mine et al. [27] | 140 | Retrospective | 4 | Macroscopic, before fixation |
Bissolati et al. [28] | 191 | Retrospective | 4 | Microscopic, after fixation |
Tsujitani et al.’s study [24] | 175 | Retrospective | 4 | Macroscopic, before fixation |
Feng F et al.’s study [29] | 693 | Retrospective | 4 | Macroscopic, before fixation |
Mariette et al.’s study [35] | 94 | Retrospective | 4 | Macroscopic, before fixation |
Ito et al.’s study [25] | 82 | Retrospective | 4 | Macroscopic, before fixation |