Skip to main content

Table 2 Summary of the patient radiological analysis

From: Cervical sagittal balance after consecutive three-level hybrid surgery versus anterior cervical discectomy and fusion: radiological results from a single-center experience

 

Type I

Type II

ACDF

p value

CL

Pre

7.1 ± 7.8

10.8 ± 10.0

6.0 ± 6.9

0.068a

Po-1w

15.7 ± 7.8#

16.3 ± 10.3#

10.3 ± 6.8#

0.003a

Po-3 m

9.6 ± 7.6#

10.5 ± 10.1

6.7 ± 5.6

0.087a

Po-6 m

9.0 ± 6.9

10.5 ± 8.4

5.1 ± 5.9

0.009a

Po-12 m

8.7 ± 7.0

9.9 ± 8.4

4.7 ± 6.2

0.012a

FFU

7.9 ± 7.5

8.7 ± 8.8

3.6 ± 6.4

0.016a

SA

Pre

3.9 ± 6.1

3.8 ± 3.0

3.4 ± 5.2

0.899a

Po-1w

9.0 ± 5.0#

9.1 ± 5.3#

7.6 ± 5.3#

0.405a

Po-3 m

6.6 ± 5.4#

6.8 ± 4.2#

4.8 ± 4.4

0.179a

Po-6 m

5.5 ± 5.0#

6.5 ± 3.4#

3.6 ± 5.7

0.069a

Po-12 m

5.3 ± 5.4

6.0 ± 4.1#

2.4 ± 5.6

0.013a

FFU

5.1 ± 5.0

5.1 ± 3.3

2.0 ± 5.8

0.015a

T1S

Pre

21.4 ± 7.0

22.0 ± 5.9

20.3 ± 6.2

0.583a

Po-1w

27.3 ± 7.3#

26.0 ± 7.8#

23.8 ± 6.4#

0.103a

Po-3 m

23.6 ± 6.0#

23.3 ± 7.8

21.2 ± 7.3

0.284a

Po-6 m

22.2 ± 5.6

21.9 ± 7.8

19.0 ± 7.1

0.091a

Po-12 m

20.9 ± 5.7

20.7 ± 7.9

18.6 ± 7.4

0.306a

FFU

19.1 ± 6.4a

18.7 ± 7.8

16.7 ± 8.1aa

0.334a

SVA

Pre

1.8 ± 0.8

1.7 ± 0.9

1.9 ± 1.1

0.693a

Po-1w

2.2 ± 1.0#

2.3 ± 0.8#

2.3 ± 1.0#

0.915a

Po-3 m

2.1 ± 0.8#

2.3 ± 0.8#

2.1 ± 0.6

0.467a

Po-6 m

2.0 ± 0.7#

2.2 ± 0.9#

2.3 ± 0.8#

0.221a

Po-12 m

2.0 ± 0.8

2.0 ± 1.0

2.2 ± 1.1#

0.674a

FFU

2.0 ± 0.9#

2.0 ± 1.0

2.2 ± 1.1#

0.810a

T1S-CL

Pre

14.3 ± 9.3

11.1 ± 10.7

14.3 ± 8.6

0.339a

Po-1w

11.6 ± 8.9

9.8 ± 10.9

12.7 ± 9.0

0.499a

Po-3 m

14.0 ± 7.7

12.8 ± 9.8

14.5 ± 8.6

0.741a

Po-6 m

13.1 ± 7.2

11.4 ± 8.1

13.9 ± 8.0

0.477a

Po-12 m

12.2 ± 7.7

10.8 ± 9.9

14.0 ± 8.7

0.369a

FFU

11.3 ± 8.9#

10.0 ± 9.5

13.1 ± 10.0

0.435a

C2S

Pre

12.4 ± 7.2

12.0 ± 7.3

13.4 ± 6.7

0.726a

Po-1w

10.4 ± 7.3

9.3 ± 6.4

12.9 ± 6.3

0.109a

Po-3 m

12.2 ± 6.8

11.8 ± 7.0

12.7 ± 8.6

0.889a

Po-6 m

11.5 ± 6.2

11.0 ± 6.9

11.9 ± 7.6

0.885a

Po-12 m

9.5 ± 5.8#

9.5 ± 5.8

10.9 ± 6.8#

0.585a

FFU

8.3 ± 5.7#

8.4 ± 5.9#

10.5 ± 7.6#

0.258a

O-C2A

Pre

20.9 ± 7.5

18.7 ± 7.0

20.5 ± 7.3

0.433a

Po-1w

16.6 ± 6.4#

16.7 ± 8.0

18.8 ± 5.6

0.272a

Po-3 m

20.3 ± 6.9

20.5 ± 9.3

21.9 ± 7.1

0.622a

Po-6 m

20.5 ± 6.8

19.6 ± 8.8

20.3 ± 6.7

0.871a

Po-12 m

19.6 ± 6.2

18.2 ± 8.4

19.6 ± 6.8

0.690a

FFU

18.2 ± 6.9#

17.2 ± 8.5

15.7 ± 5.1#

0.198a

Segment ROM

Pre

12.2 ± 4.5

11.0 ± 4.9

 

0.205b

Po-1w

5.5 ± 3.9#

7.4 ± 5.1#

 

0.036b

Po-3 m

6.9 ± 3.9#

7.7 ± 4.4#

 

0.327b

Po-6 m

7.4 ± 4.3#

10.6 ± 4.5

 

0.000b

Po-12 m

8.8 ± 4.6#

10.9 ± 3.5

 

0.014b

FFU

9.2 ± 4.7#

12.6 ± 4.1

 

0.000b

  1. Bold values indicate statistically different
  2. ACDF anterior cervical discectomy and fusion, Pre preoperative, Po postoperative, FFU final follow-up, CL cervical lordosis, SA segment alignment, T1S T1 slope, SVA sagittal vertical axis, C2S C2 slope, O-C2A occipital to C2 angle, ROM range of motion
  3. #Significance on parameters between pre-op (p < 0.05)
  4. aANOVA test for the three groups
  5. bIndependent-Samples T Test