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Table 1 Demographics

From: Hydroxyapatite/collagen composite graft for posterior lumbar interbody fusion: a comparison with local bone graft

1-level PLIF case, No

46

Male/female

13/33

Age

71.3 (51ā€“83)

Diseases

21 (3.7%)

degenerative spondylolisthesis

26

Lumbar spinal canal stenosis

19

isthmic spondylolisthesis

1

Level

Ā 

Ā L2/3

2

Ā L3/4

3

Ā L4/5

36

Ā L5/S

5

Pre JOA score (points)

15.8ā€‰Ā±ā€‰3.0

Post JOA score (1Ā year)

25.3ā€‰Ā±ā€‰2.7

Recovery rate (%)

71.1ā€‰Ā±ā€‰21.5

Pre-local lordosis (degrees)

12.0ā€‰Ā±ā€‰7.7

Post-local lordosis (1Ā year)

12.9ā€‰Ā±ā€‰7.0