Dissatisfaction Risk Factors of Patients after Laminectomy for Thoracic Ossification of Ligamentum Flavum: A Retrospective Cohort Study of Different Follow-Up Periods

Table 7

The related risk factors of satisfied and dissatisfied patients at 2-year follow-up.

Characteristics	Satisfaction (n = 49, 85.9%)	Dissatisfaction (n = 8, 14.1%)	P Value
Urination disorder			0.370
Yes	2	1
No	47	7
mJOA scores after 2 years	9.31 ± 0.84	6.87 ± 1.55	<0.001
VAS pain in LE after 2 years	2.02 ± 0.98	2.13 ± 0.84	0.779
Complications
Postoperative depression			0.263
Yes	1	1
No	48	7
Symptom recurrence			<0.001
Yes	4	6
No	45	2

mJOA  Modified Japanese Orthopaedic Association, VAS  Visual Analog Scale, LE : lower extremity, and the difference possessing statistical significance .