From: The value of Hounsfield units in predicting cage subsidence after transforaminal lumbar interbody fusion
HU
BMD-l
BMD-f
BMI
Preoperative disc height
0.467a
0.661a
0.696a
−0.086
0.028
−0.004
0.081
0.059
0.138b
−0.138b
Modified Taillard index
0.064
0.047
0.102
− 0.079
0.115