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Table 1 Summary statistics of patients with intervertebral disc disease (IVDD)

From: Recurrence rate of intervertebral disc disease in surgically treated French Bulldogs: a retrospective study (2009–2019)

 

IVDD

Recurrence cervical

Recurrence thoracolumbar

1st (n)

Recurr (n)

Sus (n)

Con (n)

1st (n)

Recurr (n)

1st (n)

Recurr (n)

N

127

67

36

31

51

24

76

43

Gender

127

67

36

31

51

24

76

43

 Male

73

38

18

20

34

16

39

22

 Female

54

29

18

11

17

8

37

21

Weight

127

67

36

31

51

24

76

43

Age

124

65

35

30

48a

22a

76b

43b

  ≤ 3 years

46

31

16

14

51a

24a

33b

20b

 4 years

22

12

9

3

26a

15a

12b

8b

 5 years

29

14

6

8

8a

4a

19b

10b

  ≥ 6 years

27

8

4

5

6a

2a

12b

5b

Localization

127

67

36

31

    

 Cervical

51

24

12

12

    

 Thoracolumbar

76

43

24

19

    

 Severity grade

127

67

36

31

51a

24a

76b

43b

 1

    

30a

18a

5b

2b

 2

    

11a

4a

19b

12b

 3

    

9a

1a

30b

19b

 4

    

1a

1a

19b

8b

 5

    

0a

0a

3b

2b

Malformation

127

67

36

31

51

24

76

43

 Less than 2 IVDS

18

11

8

3

1

1

17

10

 More than 2 IVDS

28

16

9

7

3

3

25

13

 No malformation

81

40

19

21

47

20

34

20

Disc degeneration

127

67

36

31

51

24

76

43

 Degenerated disc

99

50

29

22

37

14

62

36

 No degenerated disc

28

17

7

9

14

10

14

7

Disc fenestration

117

67

36

31

51

24

76

43

 Disc fenestration

17

7

34

26

4

1

11

4

 No disc fenestration

110

60

2

5

47

23

65

39

  1. 1st, first episode of IVDD; Recurr, recurrence
  2. Sus, suspected recurrence of IVDD; Con, confirmed recurrence of IVDD
  3. a = Grading to Ryan et al. [16], b = grading to Modified Francel score [15]