Skip to main content

Table 2 Changes in contralateral intervertebral foramen parameters postoperatively

From: Morphological changes of contralateral intervertebral foramen induced by cage insertion orientation after unilateral transforaminal lumbar interbody fusion

  Pre-operation Post-operation Average rate of increase p value
FH (mm) 19.22 ± 2.53 21.20 ± 2.69 10.42% ± 6.34% < 0.01
FA (mm2) 95.24 ± 15.32 111.37 ± 17.31 17.36% ± 9.48% < 0.01
D-F (mm) 4.63 ± 1.47 5.46 ± 1.55 18.80% ± 8.52% < 0.01
PDH (mm) 6.30 ± 1.23 8.24 ± 1.50 32.22% ± 18.92% < 0.01
SA (degrees) 6.53 ± 2.09 8.87 ± 2.66 37.58% ± 16.77% < 0.01
  1. D-F disc-to-facet distance, FH foraminal height, PDH posterior disc height, SA segmental angle, FA foraminal area