Numbness and Weakness Recovered at a Less Extent in Patients with Lumbar Disc Herniation after Percutaneous Endoscopic Lumbar Discectomy

Table 3

Correlations between the preoperative ODI score and the SBI total score and its subitem scores.

Variables	ODI
	Correlation coefficient	value
SBI total	0.654	<0.001
SBI pain	0.552	<0.001
SBI numbness	0.148	0.173
SBI weakness	0.241	0.026

value less than 0.05 was considered significant.