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Table 1 Characteristics of the patients

From: Hybrid surgery of percutaneous transforaminal endoscopic surgery (PTES) combined with OLIF and anterolateral screws rod fixation for treatment of multi-level lumbar degenerative diseases with intervertebral instability

Age(years)

63.2 ± 10.9

 

Gender (F/M)

27/11

 

Multi-level LDDs with intervertebral instability(cases)

  

 2-level

27

 

 3-level

9

 

 4-level

2

 

Instability segment

  

 L3/4

5

 

 L4/5

33

 

Segment treated with PTES(cases)

  

 1 segment

31

 
 

 Instability segment

25

 

 No instability segment

6

 2 segments (including instability)

7

 

Operation duration(minutes)

  

 PTES

48.9 ± 7.3

 

 OLIF

69.2 ± 11.6

 

Frequency of intraoperative fluoroscopy(times)

  

 PTES

6 (5–9)

 

 OLIF

7 (5–10)

 

Blood loss(ml)

30 (15–60)

 

Incision length(mm)

  

 PTES

8.1 ± 1.1

 

 OLIF

40.0 ± 3.2

 

Hospital stay(days)

4 (3–6)

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