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Table 2 Radiographical outcome of the study population stratified by lumbar interbody fusion types

From: The radiological outcome in lumbar interbody fusion among rheumatoid arthritis patients: a 20-year retrospective study

 

ALIF

OLIF

TLIF

Overall

P value

APD

 Pre-OP

3.3 ± 0.4

3.4 ± 0.3

3.5 ± 0.4

3.5 ± 0.4

0.27

 Post-OP

3.4 ± 0.5

3.3 ± 0.3

3.6 ± 0.5

3.5 ± 0.4

0.08

 2Y

3.2 ± 0.2

3.4 ± 0.3

3.6 ± 0.4

3.5 ± 0.4

0.05

ADH

 Pre-OP

0.7 ± 0.5

0.4 ± 0.3

0.7 ± 0.4

0.6 ± 0.4

  0.05

 Post-OP

1.7 ± 0.3

2.3 ± 2.3

1.3 ± 0.3

1.8 ± 1.6

 < 0.01

 2Y

1.7 ± 0.1

2.1 ± 2.3

1.1 ± 0.3

1.6 ± 1.6

 < 0.01

PDH

 Pre-OP

0.3 ± 0.1

1.1 ± 2

0.5 ± 0.3

0.7 ± 1.3

  0.28

 Post-OP

1.2 ± 0.6

1.6 ± 1.4

0.8 ± 0.3

1.2 ± 1

 < 0.01

 2Y

0.9 ± 0.9

1.1 ± 0.5

0.7 ± 0.3

0.9 ± 0.4

 < 0.01

WI

 Pre-OP

0.2 ± 0.5

0.2 ± 0.7

0.3 ± 0.4

0.2 ± 0.8

< 0.01

 Post-OP

0.4 ± 0.7

0.3 ± 1.8

0.4 ± 0.8

0.4 ± 1.0

< 0.01

 2Y

0.4 ± 0.6

0.3 ± 0.2

0.4 ± 0.4

0.4 ± 0.6

 < 0.01

SL

 Pre-OP

3.2 ± 0.5

5.6 ± 4.4

7.1 ± 7.2

6.4 ± 6.1

0.28

 Post-OP

9.1 ± 12.6

8 ± 6.1

11.3 ± 7.6

9.8 ± 7.2

0.02

 2Y

8.4 ± 8

7.5 ± 6.3

10.1 ± 7.5

8.9 ± 7.1

0.09

FW

 Pre-OP

1.2 ± 0.2

1.5 ± 0.6

1.1 ± 0.3

1.8 ± 2.5

0.16

 Post-OP

1.3 ± 0.6

2.1 ± 2.7

1.3 ± 0.3

1.6 ± 1.8

0.04

 2Y

1.5 ± 0.8

2.4 ± 3.3

1.3 ± 0.4`

1.7 ± 2.2

0.03

FH

 Pre-OP

1.8 ± 0.3

3.2 ± 6.3

1.4 ± 0.3

2.6 ± 4.3

0.05

 Post-OP

2 ± 0.1

3 ± 4.6

1.6 ± 0.4

2.2 ± 3.1

0.04

 2Y

1.5 ± 0.3

2.9 ± 4.4

1.5 ± 0.3

2.1 ± 3

0.03

  1. APD anterior–posterior diameter, ADH anterior disc height, PDH posterior disc height, WI wedge index, SL segmental lordosis, FW foraminal width, FH foraminal height, Y year
  2. P value < 0.05 was consider statistically significant between OLIF and TLIF. Values expressed as the mean ± standard deviation. Boldface type indicates statistical significance