Comparison of Transforaminal Percutaneous Endoscopic Lumbar Discectomy with and without Foraminoplasty for Lumbar Disc Herniation: A 2-Year Follow-Up

Table 4

Macnab outcome evaluated at the final visit (postoperative year 2) of the follow-up.

Groups	Excellent	Good	Fair	Poor	Total
PELF	24 (42.9%)	21 (37.5%)	6 (10.7%)	5 (8.9%)	56 (100%)	0.329
PELD	38 (50.7%)	30 (40.0%)	5 (6.7%)	2 (2.6%)	75 (100%)

Excellent: free of pain and deficit, without restriction of mobility; good: residual symptoms or deficits not impeding a normal life; fair: some improvement in functionality but remained handicapped; poor: no improvement at all.