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Table 1 Comparison of general data between the two groups of patients

From: Comparative study on the technique and efficacy of microscope-assisted MI-TLIF and naked-eye MI-TLIF in lumbar revision surgery

Index

Microscopic group

Naked-eye group

Statistical value

P

Age(years)

52.9 ± 13.3

53.1 ± 13.3

t = − 0.066

0.948

Gender(M/F)

9/15

18/21

χ2 = 0.454

0.500

Operative segment

  

χ2 = 0.233

0.890

L3/4

2

4

  

L4/5

15

22

  

L5/S1

7

13

  

Initial operation M/O

23/1

38/1

χ2 = 0.001

1.000

  1. M Minimally invasive spinal surgery; O open spine surgery
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X