The Early Clinical Outcomes of a Percutaneous Full-Endoscopic Interlaminar Approach via a Surrounding Nerve Root Discectomy Operative Route for the Treatment of Ventral-Type Lumbar Disc Herniation

Table 2

Grade distribution of the 12-month postoperative effect.

Indicators	Cases	Excellent	Good	Fair	Poor
Modified Macnab criteria	22	15	7	0	0