Copyright ©2014 Baishideng Publishing Group Co.
World J Orthop. Apr 18, 2014; 5(2): 112-123
Published online Apr 18, 2014. doi: 10.5312/wjo.v5.i2.112
Table 3 Summary of studies that have evaluated free-hand pedicle screw placement
Most common pathologyScrew locationNumber of patientsNumber of screwsAccuracy (%)Revision rate (%)
Gertzbein et al[5], 1990TraumaT8-S14016771.9N/A
Liljenqvist et al[9], 1997ScoliosisT4-T123212075.0N/A
Kim et al[23], 2004ScoliosisT1-T12Unclear57793.80
Karapinar et al[31], 2007TraumaT10-L39864094.20
Schizas et al[32], 2007TraumaT1-T6136088.30
Kotil et al[33], 200TraumaT1-L5Unclear36893.51.5
Modi et al[26], 2009ScoliosisT1-T124385493.0N/A
Parker et al[27], 2011Degenerative/DeformityT1-S1964681698.30.8