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Table 3 Proximal junctional kyphosis and rod fracture

From: Correction of marked sagittal deformity with circumferential minimally invasive surgery using oblique lateral interbody fusion in adult spinal deformity

 

Whole group

OLIF51 group

TLIF51 group

Number of PJK

7 (30.4%)

4 (31.0%)

3 (30.0%)

Onset (postop months)

16.1 ± 10.0

8.6 ± 1.9 (7–10)***

26.3 ± 4.7 (21–30)

 Cause of PJK

  Adjacent fracture

7

4

3

  Screw loosening

3

2

1

 Management

  Revision surgery

2

1

1

  Vertebroplasty

4

2

2

  1. PJK proximal junctional kyphosis
  2. ***p < 0.001 compared to TLIF51 group