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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
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X