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Table 3 Radiological evaluation and comparison between preoperation and final follow up

From: Modified unilateral iliac screw fixation with partial reduction in the treatment of high-grade spondylolisthesis at L5/S1 in adult patients: introduction of key technique, report of clinical outcomes and analysis of spinopelvic parameters

 

Pre-op

Last-Follow

P value

PI

50.25 ± 5.43

54.55 ± 4.84

P > 0.05

PT

21.08 ± 6.23

15.71 ± 5.44

P < 0.05

SS

29.17 ± 5.16

38.84 ± 6.06

P < 0.05

C7PL-SVA (mm)

   

N1

10

3

 

N2

8

2

 

N3

7

2

 

N4

6

1

 

LL

40.50 ± 6.93

44.33 ± 5.28

P > 0.05

PI-LL

9.50 ± 3.55

6.21 ± 1.64

P > 0.05

Slip percentage

62.71 ± 5.51

31.54 ± 4.29

P < 0.05

SLA

76.77 ± 16.08

106.45 ± 8.13

P < 0.05

SA

27.92 ± 4.51

14.31 ± 5.18

P < 0.05

  1. N1-4 indicate the serial number of patient with global spinal sagittal imbalance from 1 to 4; the bold indicates significant difference