Long-Term Course to Lumbar Disc Resorption Patients and Predictive Factors Associated with Disc Resorption

Table 5

Assessment of predictive factors at baseline associated with herniated disc resorption in participants.

	Univariate		Multivariate
	OR	95% CI	OR	95% CI
Age (continuous)	1.01	(0.99, 1.03)
Sex, male (ref. female)	0.97	(0.67, 1.37)
Disc degeneration grade (ref. I)
II	3.39	(0.37, 31.38)
III	3.14	(0.36, 27.38)
IV	4.57	(0.53, 39.77)
V	16.67	(1.36, 204.03)
Disc herniation type (ref. protrusion)
Bulging	—
Extrusion	4.66	(2.15, 10.13)	2.49	(1.10, 5.60)
Migration	11.82	(5.02, 27.85)	6.3	(2.58, 15.42)
Sequestration	12.190	(3.91, 37.95)	3	(0.84, 10.68)
Komori migration classification (ref. 1)
2	2.48	(1.58, 3.89)	1.7	(1.04, 2.76)
3	5.46	(3.24, 9.18)	2.46	(1.37, 4.42)
Modic change type of vertebral body (ref. 0)
1	0.84	(0.30, 2.37)
2	4.4	(0.94, 2.10)
3	0.7	(0.06, 7.81)
Modic change of vertebral body area (ref. none)
Above the herniated disc	0.94	(0.37, 2.35)
Below the herniated disc	1.410	(0.57, 3.46)
Both above and below the herniated disc	1.38	(0.90, 2.12)
Time interval between MRIs (continuous)	1	(0.99, 1.00)
Total treatment duration (continuous)	1	(0.99, 1.00)

Adjusted for age and amount of disc herniation; OR, odds ratio; CI, confidence interval; MRI, magnetic resonance imaging.