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Table 3 Comparison of the VAS and ODI score between the groups

From: Minimally invasive unilateral versus bilateral technique in performing single-segment pedicle screw fixation and lumbar interbody fusion

  

7 days

1 month

6 months

24 months

Vas

BPS

4.43 ± 1.04

2.38 ± 0.58

2.19 ± 0.67

1.83 ± 0.58

UPS

3.61 ± 1.52

2.36 ± 0.58

2.25 ± 0.50

2.06 ± 0.41

P value

0.0063

n.s

n.s

n.s

ODI

BPS

18.5 ± 3.92

14.3 ± 2.79

10.9 ± 3.27

7.19 ± 2.77

UPS

16.1 ± 4.55

14.3 ± 3.39

11.4 ± 2.98

8.03 ± 3.01

p value

0.0168

n.s

n.s

n.s