Table 2 Comparison of treatment effects on low back pain between the two groups [n/%].

From: Comparative analysis of the efficacy and functional recovery of unilateral biportal endoscopy-assisted lumbar interbody fusion for the treatment of lumbar disc herniation

Groups

Cases

Marked effective

Effective

Invalid

Effective rate

The experimental group

66

40 (60.6)

24 (36.4)

2 (3.0)

64 (97.0)

The control group

66

30 (45.5)

23 (34.9)

13 (19.7)

53 (80.3)

X2

 

-

-

-

9.101

P

 

-

-

-

0.002