Table 4 Pre-treatment frequency of Modic changes by size (45 patients, 450 lumbar endplates)

CC extension

<1/4

1/4 -1/2

>1/2

Total

<1/10 (minimal / small dots)

1

1

1

3

<1/4

1

4

4

9

1/4 - 1/2

0

1

7

8

>1/2

0

0

6

6

Modic changes type I/II (17 endplates)

AP diameter

CC extension

<1/4

1/4 -1/2

>1/2

Total

<1/10 (minimal / small dots)

0

1

1

2

<1/4

0

1

4

5

1/4 - 1/2

0

1

4

5

>1/2

0

0

5

5

Modic changes type II (76 endplates)

AP diameter

CC extension

<1/4

1/4 -1/2

>1/2

Total

<1/10 (minimal / small dots)

12

3

1

16

<1/4

11

15

15

41

1/4 - 1/2

0

3

11

14

>1/2

0

0

5

5

Modic changes type II/I (11 endplates)

AP diameter

CC extension

<1/4

1/4 -1/2

>1/2

Total

<1/10 (minimal / small dots)

0

0

0

0

<1/4

0

2

1

3

1/4 - 1/2

0

0

7

7

>1/2

0

0

1

1

Modic changes all other types (I/III, II/III, III, III/I or III/II) (11 endplates)

AP diameter

CC extension

<1/4

1/4 -1/2

>1/2

Total

<1/10 (minimal / small dots)

0

0

0

0

<1/4

0

0

1

1

1/4 - 1/2

0

0

3

3

>1/2

0

0

7

7