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Table 5 Clinical outcome of the study population stratified by lumbar interbody fusion types

From: Comparison of radiographic and clinical outcomes between ALIF, OLIF, and TLIF over 2-year follow-up: a comparative study

HRQoL

Group

p value

Anterolateral (A/OLIF, n = 170)

Posterior (TLIF, n = 178)

ODI

Pre-OP

53.9 ± 12.2

55.6 ± 11.6

0.1

(52.1–55.7)

(53.8–57.3)

1 M

46.6 ± 10.6

48.3 ± 9.8

0.04*

(45–48.2)

(46.8–49.7)

3 M

37.1 ± 12.8

40.4 ± 11.8

 < 0.01**

(35.1–39)

(38.6–42.1)

6 M

29.6 ± 15.6

35 ± 13.9

 < 0.01**

(27.2–32)

(32.9–37)

1 Y

25.2 ± 17.1

31 ± 15.8

 < 0.01**

(22.6–27.8)

(28.7–33.3)

2 Y

24.7 ± 18.5

28.6 ± 16.9

0.02*

(21.9–27.5)

(26.1–31.1)

p value (2 Y-pre)

 < 0.01**

 < 0.01**

 

EQ-5D

Pre-OP

0.96 ± 0.09

0.97 ± 0.08

0.18

(0.94–0.97)

(0.96–0.98)

1 M

0.76 ± 0.09

0.77 ± 0.08

0.19

(0.74–0.77)

(0.75–0.78)

3 M

0.68 ± 0.13

0.72 ± 0.13

 < 0.01**

(0.66–0.7)

(0.7–0.74)

6 M

0.62 ± 0.16

0.67 ± 0.16

 < 0.01**

(0.6–0.65)

(0.64–0.69)

1 Y

0.6 ± 0.18

0.64 ± 0.17

0.01*

(0.57–0.63)

(0.61–0.66)

2 Y

0.62 ± 0.18

0.62 ± 0.17

0.85

(0.59–0.64)

(0.6–0.65)

p value (2 Y-pre)

 < 0.01**

 < 0.01**

 

VAS-Total

Pre-OP

8 ± 1.6

8.1 ± 1.4

0.88

(7.8–8.2)

(7.9–8.3)

1 M

3.9 ± 1.6

3.8 ± 1.6

0.77

(3.7–4.2)

(3.6–4.1)

3 M

3.2 ± 1.8

3.3 ± 1.8

0.17

(2.9–3.5)

(3.1–3.6)

6 M

2.7 ± 2

3.1 ± 2

0.13

(2.4–3)

(2.8–3.4)

1 Y

2.6 ± 2.3

2.9 ± 2

0.18

(2.2–2.9)

(2.6–3.2)

2 Y

2.8 ± 2.4

2.7 ± 2.2

0.8

(2.4–3.1)

(2.4–3.1)

p value (2 Y-pre)

 < 0.01**

 < 0.01**

 

VAS-Back

Pre-OP

7.1 ± 2.7

7.1 ± 2.6

0.81

(6.7–7.5)

(6.7–7.5)

1 M

3.3 ± 2

3.2 ± 1.8

0.65

(3–3.6)

(2.9–3.4)

3 M

2.7 ± 1.8

2.7 ± 1.9

0.7

(2.4–3)

(2.4–3)

6 M

2.2 ± 1.8

2.7 ± 2.1

0.04

(1.9–2.4)

(2.3–3)

1 Y

2.1 ± 2

2.5 ± 2

0.07

(1.8–2.4)

(2.2–2.8)

2 Y

2.4 ± 2.3

2.5 ± 2.3

0.6

(2–2.7)

(2.1–2.8)

p value (2 Y-pre)

 < 0.01**

 < 0.01**

 

VAS-Leg

   

Pre-OP

6.7 ± 3

7.5 ± 2.4

0.05

(6.3–7.2)

(7.2–7.9)

1 M

2.5 ± 2.4

2.9 ± 2.4

0.1

(2.2–2.9)

(2.6–3.3)

3 M

1.8 ± 2.4

2.2 ± 2.2

0.06

(1.5–2.2)

(1.9–2.5)

6 M

1.5 ± 2.2

1.7 ± 2.2

0.26

(1.2–1.8)

(1.4–2)

1 Y

1.3 ± 2.3

1.6 ± 2.3

0.04

(0.9–1.6)

(1.3–2)

2 Y

1.3 ± 2.4

1.3 ± 2.2

0.63

(0.9–1.6)

(1–1.6)

p value (2 Y-pre)

 < 0.01**

 < 0.01**

 
  1. p value < 0.05 was consider statistically significant. Values expressed as the mean ± standard deviation and 95 confidence interval range in the brackets. p < 0.05*, p < 0.01**
  2. ALIF Anterior lumbar interbody fusion, OLIF Oblique lumbar interbody fusion, TLIF Transforaminal lumbar interbody fusion, HRQoL Health-related quality of life, ODI Oswestry disability index, EQ-5D EuroQol-5-dimension score, VAS-Total VAS of pain in total, VAS-Leg VAS of pain in leg, VAS-Back VAS of pain in back, M Month, Y Year