Clinical Outcomes of “U” Route Transforaminal Percutaneous Endoscopic Lumbar Discectomy in Chronic Pain Patients with Lumbar Spinal Stenosis Combined with Disc Herniation

Table 2

The outcomes of modified MacNab evaluation at postoperation.

Outcomes	Excellent	Good	Fair	Poor	value
6-month, n (%)	45 (56.25)	26 (32.5)	7 (8.75)	2 (2.5)	0.029
1-year, n (%)	60 (76.92)	10 (12.82)	7 (8.98)	1 (1.28)
2-year, n (%)	56 (73.68)	15 (19.74)	4 (5.26)	1 (1.32)