Table 4 Clinical outcomes of patients between groups.

From: CT Hounsfield unit is a reliable parameter for screws loosening or cages subsidence in minimally invasive transforaminal lumbar interbody fusion

Variables

Non-CS/SL (n = 128)

CS/SL (n = 70)

P value

VAS_PreOP

6.0 ± 2.4

6.2 ± 2.7

0.599

VAS_PostOP

1.7 ± 1.8

2.6 ± 2.4

0.021

VAS_Delta

 − 4.1 ± 2.9

 − 3.5 ± 3.2

0.248

ODI_PreOP

38.9 ± 15.6

43.7 ± 22.2

0.193

ODI_PostOP

11.8 ± 12.7

19.9 ± 17.4

0.002

ODI_Delta

 − 26.7 ± 18.6

 − 22.7 ± 20.9

0.296

Fusion rate

108 (84.4%)

53 (75.7%)

0.135

Revision rate

4 (3.1%)

6 (8.6%)

0.171

  1. VAS indicates visual analog scale, ODI Oswestry disability index, CS cage subsidence, SL screw loosening.
  2. Significant values are in bold.
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