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

Table 6

The related risk factors of satisfied and dissatisfied patients at 1-year follow-up.

Characteristics	Satisfaction (n = 43, 75.4%)	Dissatisfaction (n = 14, 24.6%)	P Value
Urination disorder			0.042
Yes	2	4
No	41	10
mJOA scores after 1 year	7.46 ± 1.24	6.57 ± 1.34	0.026
VAS pain in LE after 1 year	2.02 ± 1.06	2.21 ± 1.25	0.577
Complications
Postoperative depression			0.095
Yes	3	4
No	40	10
Symptom recurrence			0.025
Yes	3	5
No	40	9

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