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Table 1 Summary of clinical features observed in 23 patients with OLF

From: Thoracic myelopathy caused by ossification of ligamentum flavum of which fluorosis as an etiology factor

Symptoms number of cases
numbness and sensory deficit 22
lower-limb weakness and gait disturbance 21
Low-back pain 8
"squeezing tight band" around chest or abdomen 6
neurological claudication 4
leg pain 12
fecal & urinary incontinence 18
knee and ankle hyperreflexia 18
positive patellar and ankle clonus 14
positive Babinski sign 15