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Table 2 Radiographic measurements in the revision cohort

From: Long-term impact of sagittal malalignment on hardware after posterior fixation of the thoracolumbar spine: a retrospective study

 First operationRevision surgeryp-values
LL (°)
mean ± SD
27.4 ± 15.734.6 ± 20.30.86
SS (°)
mean ± SD
29.9 ± 6.734.4 ± 10.20.74
PT (°)
mean ± SD
32.6 ± 7.733.3 ± 9.60.95
PI (°)
mean ± SD
62.5 ± 10.767.7 ± 14.70.8
SVA (mm)
mean ± SD
104.4 ± 48.5112.2 ± 64.80.83
TK (°)
mean ± SD
24 ± 15.326.4 ± 16.70.61
LG (°)
mean ± SD
24.2 ± 16.533.9 ± 19.50.90
FOA
Median / IQ range
10 ± 138 ± 120.94
  1. The means of each parameter revealed no significant differences between the first operation and the time of revision surgery