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Table 4 Comparisons on NDI and JOA among ACDF, HS1, and HS2

From: Exploration on sagittal alignment and clinical outcomes after consecutive three-level hybrid surgery and anterior cervical discectomy and fusion: a minimum of a 5-year follow-up

 

ACDF

HS1

HS2

P

NDI at pre-op

38.0 ± 3.0

38.9 ± 3.9

37.9 ± 2.1

0.230

NDI at 1 week later

19.3 ± 6.9

19.9 ± 4.4

19.3 ± 5.1

0.875

NDI at final follow-up

12.5 ± 8.2

10.7 ± 3.3

11.8 ± 2.2

0.163

Δ1 NDI

19.0 ± 6.9

19.9 ± 5.0

18.5 ± 3.7

0.792

Δ2 NDI

25.8 ± 8.2

28.8 ± 5.6

27.2 ± 2.0

0.215

P1 (NDI)

< 0.001

< 0.001

< 0.001

 

P2 (NDI)

< 0.001

< 0.001

< 0.001

 

P3 (NDI)

< 0.001

< 0.001

0.009

 

JOA at pre-op

10.3 ± 1.9

11.0 ± 1.7

11.3 ± 1.5

0.125

JOA at 1 week later

14.6 ± 1.4

14.9 ± 0.8

15.3 ± 0.5

0.433

JOA at final follow-up

15.7 ± 1.9

16.2 ± 1.1

15.8 ± 1.0

0.406

RR1 JOA (%)

63.8 ± 23.5

63.4 ± 13.2

56.3 ± 18.5

0.740

RR2 JOA (%)

81.8 ± 29.4

87.0 ± 18.1

71.0 ± 21.0

0.361

P1 (JOA)

< 0.001

< 0.001

0.002

 

P2 (JOA)

< 0.001

< 0.001

0.001

 

P3 (JOA)

0.018

< 0.001

0.456

 
  1. NDI neck disability index, JOA Japanese Orthopedic Association score, ACDF, anterior cervical discectomy and fusion, HS hybrid surgery, HS1 one prosthesis and 2 cages, HS2 two prostheses and one cage, Pre-op preoperation, P1 significance between pre-op and 1 week after surgery, P2 significance between pre-op and final follow-up, P3 significance between 1 week after surgery and final follow-up
  2. “Δ1” is the change of variable at 1 week after surgery compared to baseline and “Δ2” is the change of variable at final follow-up compared to baseline
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X