Table 4.
Oxford Center of Evidence-based Medicine (Levels of Evidence).
| Level | First Author, Date, Reference |
|---|---|
| 4 | Peak, 1992 [14] |
| 4 | Ribeiro, 1997 [15] |
| 5 | Alpoz, 1999 [16] |
| 5 | Kohyama, 2001 [17] |
| 4 | Magalhães, 2002 [18] |
| 4 | Khalil, 2002 [19] |
| 5 | Friedlander, 2003 [20] |
| 2b | Lavas, 2006 [21] |
| 5 | Alfonso, 2007 [22] |
| 5 | Green, 2008 [23] |
| 4 | Manish, 2010 [24] |
| 4 | Ji-sung, 2011 [25] |
| 3a | Fuertes, 2011 [26] |
| 1a | Morgan, 2012 [27] |
| 3b | Fuertes, 2014 [28] |
| 5 | Aleksandra, 2014 [29] |
| 5 | Janas, 2015 [30] |
| 4 | Marvin, 2015 [31] |
| 4 | Omer, 2016 [32] |
| 4 | Mezzedimi, 2017 [33] |
| 4 | Lai YYL, 2018 [34] |
| 1b | Pia, 2019 [35] |