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Table 3 Clinical outcome including VAS pain scores, ODI scores, and North American Spine Society Instrument scores

From: Percutaneous endoscopic interlaminar discectomy of L5–S1 disc herniation: a comparison between intermittent endoscopy technique and full endoscopy technique

 

FE group

IE group

P value

Follow-up period (months)

27.5

27.8

> 0.05

Preoperative VAS

8.23 ± 0.93

8.25 ± 1.05

> 0.05

Last follow-up VAS

2.60 ± 1.60

2.40 ± 1.50

> 0.05

Preoperative ODI (%)

62.0 ± 14.2

63.9 ± 15.7

> 0.05

Last follow-up ODI (%)

7.60 ± 1.60

7.60 ± 1.60

> 0.05

MacNab evaluation

   

Excellence

52

48

 

Good

9

9

 

Fair

3

4

 

Poor

1

0

 

Excellence/good rate

90.80%

91.40%

> 0.05

Complications

   

Fragment omissions

0

0

 

Nerve root injury

0

0

 

Postoperative dysesthesia

4

3

 

Recurrent disc herniation

1

0

 

Rhachiaesthesia

0

1

 

Complication rate

7.69%

6.60%

> 0.05