Comparison of Clinical Outcomes of Two-Level PELD and Foraminoplasty PELD for Highly Migrated Disc Herniations: A Comparative Study

Table 2

Clinical outcomes and complications of two groups (N = 40).

Parameters	Two-level PELD (N = 14)	Foraminoplasty PELD (N = 26)	value
Back VAS score
Before operation	7.4 ± 1.9	6.9 ± 1.7	0.67
After 3 months	2.4 ± 0.9	2.1 ± 1.0
After 12 months	1.5 ± 0.8	1.7 ± 0.8
Final follow-up	1.1 ± 0.7	1.3 ± 0.6
Leg VAS score
Before operation	8.2 ± 1.5	7.7 ± 1.5	0.86
After 3 months	2.0 ± 0.7	2.4 ± 0.9
After 12 months	1.6 ± 0.6	1.8 ± 0.8
Final follow-up	1.1 ± 0.5	1.3 ± 0.7
ODI score
Before operation	60.6 ± 14.7	56.8 ± 11.2	0.87
After 3 months	29.6 ± 7.8	27.9 ± 8.4
After 12 months	19.2 ± 4.7	21.5 ± 6.1
Final follow-up	11.4 ± 3.2	13.2 ± 4.9
Clinical outcome
Excellent	5	11	0.92
Good	8	13
Fair	1	1
Poor	0	1
Complications
POD	1/14	1/26	>0.05
Disc residue	0/14	1/26	>0.05
Recurrence	0/14	1/26	>0.05

VAS: Visual Analog Scale. ODI: Oswestry Disability Index. POD: postoperative dysesthesia.