From: Thoracic myelopathy caused by ossification of ligamentum flavum of which fluorosis as an etiology factor
recover rate at final follow up
Variable
coefficient
p value
Age
-0.24755
0.2548
duration of preoperative symptom
-0.10367
0.6378
Preoperative JOA score
0.60628
0.0022
levels of OLF
-0.31515
0.1430