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Table 5 Comparison of complications among three groups

From: Change in the postoperative intervertebral space height and its impact on clinical and radiological outcomes after ACDF surgery using a zero-profile device: a single-Centre retrospective study of 138 cases

Group

ISH change< 2 mm

ISH change 2-4 mm

ISH change > 4 mm

Adjacent-level degeneration

 Superior

28.57% (12)

13.24% (9)a, c

21.43% (6)

 Inferior

30.95% (13)

16.18% (11)a, c

28.57% (8)

 Axial symptoms

26.19% (11)

11.76% (8)a

17.85% (5)

 Dysphagia

5.4% (2)

4.41% (3)

5.26% (1)

 Local kyphosis

9.52% (4)

13.24% (9)

14.29% (4)

 Implant subsidence

7.14% (3)

4.41% (3)b

14.29% (4)

 Facet joint degeneration [11]

3 points

2 points

2 points