Author | Investigation Period | Number of injuries | cervical | thoracic | lumbar | sacral | coccygeal |
---|---|---|---|---|---|---|---|
Tarazi et al. | 1994–1996 | 27 | 18.5 | 22.2 | 37 | 14.8 | 0 |
Wasden et al. | 2001–2006 | 81 | 17.2 | 29.7 | 42.9 | 9.9 | 0 |
Yamakawa et al. | 1988–2000 | 252 | 2 | 21.8 | 69.4 | 3.2 | 3.6 |
De Roulet et al. | 2007–2014 | 1216 | 23.6 | 33.2 | 34.5 | 8.6 | |
Hubbard et al. | 2000–2008 | 113 | 25.3 | 27.1 | 47.6 | – | – |
Masuda et al. | 1997–2009 | 19 | 31.6 | 68.4 | – | – | |
Ishimaru et al. | 2005–2012 | 431 | 1.6 | 22.7 | 61 | 4.6 | 7 |
Franz et al. | 2000–2006 | 10 | – | – | 60 | – | – |