Research Article

Prediction of Sacral Screw Loosening after Lumbosacral Surgeries Involving Rigid Fixation of Sacral Bone Using Preoperative Computed Tomography Scans

Table 1

Demographic characteristics of the included patients in two groups.

NonlooseningLoosening

Male/female63/2851/200.43
Age<0.01
Time of follow-up0.48
BMI0.23
Smoker950.36
Diabetes27160.20
HU<0.01