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

Table 1

Baseline demographic characteristics of participants of the “longitudinal project for IDH on MRI”.

Variables
		%	Mean (SD)
Age (years)			39.08 ± 10.19
<25	23	4.6
≥25–<55	436	86.3
≥55	46	9.1
Sex
Male	306	60.6
Female	199	39.4
Herniated disc level
L1/2	2	0.4
L2/3	9	1.8
L3/4	29	5.7
L4/5	269	53.3
L5/S1	196	38.8
Low back pain
No	454	90.1
Yes	48	9.5
Radiating leg pain
No	80	15.8
Yes, radiating to thigh	127	25.2
Yes, radiating to calf	239	47.3
Yes, but with no indication of area	56	11.1
Unknown	3	0.6
Bilateral radiating leg pain
No	432	85.5
Yes	66	13.1
Unknown	7	1.4
Unilateral radiating leg pain
No	115	22.8
Yes	384	76.0
Unknown	6	1.2

IDH, intervertebral disc herniation; MRI, magnetic resonance imaging; SD, standard deviation.