Table 2 Effect of aging on three-dimensional endplate structures

2

1,610 ± 633

2,044 ± 653

2,877 ± 1,097

10

2,503 ± 1,251

3,289 ± 1,640

4,961 ± 1,348

24

2,793 ± 1,252

3,843 ± 2,071

6,217 ± 2,813

30

1,892 ± 938

2,974 ± 1,778

5,054 ± 1,938^a,b

2

1,619 ± 507

2,137 ± 617

2,617 ± 835

10

2,432 ± 887

3,069 ± 1,208

4,742 ± 1,758

24

2,757 ± 1,046

3,836 ± 1,683

5,863 ± 2,280

30

2,231 ± 770

3,675 ± 1,726

5,983 ± 1,984^a,b

2

6.8 ± 2.1

6.5 ± 2.1

7.5 ± 2.4

10

6.6 ± 3.2

6.6 ± 2.8

6.3 ± 2.7

24

8.5 ± 2.8

8.4 ± 3.3

8.4 ± 2.8

30

6.7 ± 2.7

6.9 ± 2.9

6.5 ± 2.3