Table 4.
Study Type | No. of Articles |
---|---|
Clinical articles (n = 29) | |
Randomized controlled trial | 7 |
Nonrandomized controlled trial | 0 |
Cohort study | 6 |
Case-control study | 0 |
Case series | 9 |
Case report | 1 |
Review article | 5 |
Expert opinion | 1 |
Basic science articles (n = 21) | |
Animal in vivo | 14 |
Biomechanics | 4 |
Anatomic | 1 |
In vitro | 0 |
Review article | 2 |