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Table 2 Comparison of preoperative and postoperative clinical evaluation indexes

From: Early efficacy observation of the unilateral biportal endoscopic technique in the treatment of multi-level lumbar spinal stenosis

Evaluation time

Number of cases

Leg pain VAS score

Lower back pain VAS score

ODI score (%)

Diameter (cm)

Preoperative (1)

26

7.58 ± 1.42

4.65 ± 1.01

71.00 ± 12.79

0.30 ± 0.84

7 Days after surgery (2)

26

1.77 ± 0.82

2.23 ± 0.59

24.08 ± 2.50

0.85 ± 0.69

6 Months after surgery (3)

26

0.65 ± 0.54

0.59 ± 0.58

13.69 ± 2.17

 

Preoperative and postoperative comparison

 

T

P

T

P

T

P

T

P

(1): (2)

 

18.80

 < 0.001*

12.04

 < 0.001*

17.68

 < 0.001*

− 45.51

 < 0.05*

(1): (3)

 

22.62

 < 0.001*

15.70

 < 0.001*

26.33

 < 0.001*

  
  1. VAS visual analog score, ODI Oswestry Disability Index
  2. *Indicates statistical difference, P < 0.05
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X