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Table 2 The incidence of adjacent segment degeneration according to pre-existing degeneration of L5-S1

From: Does pre-existing L5-S1 degeneration affect outcomes after isolated L4-5 fusion for spondylolisthesis?

 

Pre-existing deg

Non-existing deg

p value

Radiologic ASD Y

4 (18.2%)

3 (8.3%)

0.41

Radiologic ASD N

18 (81.8%)

33 (91.7%)

Clinical ASD Y

1 (4.5%)

2 (5.7%)

1.00

Clinical ASD N

21 (95.5%)

34 (94.4%)

  1. ASD: adjacent segment disease, Y: yes, N: no.
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X