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Table 1 Overview of animals sampled with information regarding age of horses, gender, regular physical exercise, reason for surgery, time of sampling and measured results

From: Elevated urinary excretion of free pyridinoline in Friesian horses suggests a breed-specific increase in collagen degradation

Horse

Age

yrs

Gender

Exercise

Surgery

Time

hrs

fPYD/creatinine

nmol/mmol

fDPD/creatinine

nmol/mmol

PYD/

DPD

Horse

Age

yrs

Gender

Exercise

Surgery

Time

hrs

fPYD/creatinine

nmol/mmol

fDPD/creatinine

nmol/mmol

PYD/

DPD

Friesian

2

stallion

 

castration

10

34.8

4.4

8.0

warmbl

6 m

stallion

 

tendon retraction

9

41.1

17.1

2.4

Friesian

3

mare

yes

 

17

39.9

4.4

9.0

warmbl

7 m

mare

 

cecocolic invagination

10

47.4

8.3

5.7

Friesian

4

mare

yes

 

20

23.4

2.3

10.0

warmbl

3

stallion

yes

castration

9

19.0

4.7

4.0

Friesian

4

mare

  

17

31.5

2.3

13.7

warmbl

4

mare

yes

sarcoid

10

25.4

4.6

5.5

Friesian

5

mare

  

18

28.4

3.0

9.6

warmbl

4

mare

yes

Laryngeal hemiplegia

12

20.3

3.5

5.8

Friesian

8

mare

yes

 

16

26.9

2.7

10.0

warmbl

6

gelding

yes

sarcoid

10

17.1

4.7

3.6

Friesian

8

mare

yes

 

16

22.9

2.7

8.5

warmbl

6

stallion

yes

castration sarcoid

10

14.1

2.1

6.7

Friesian

9

mare

yes

 

19

24.9

2.4

10.3

warmbl

7

gelding

yes

 

13

18.1

2.4

7.4

Friesian

10

mare

yes

 

11

32.2

3.4

9.4

warmbl

10

gelding

yes

cornea ulcer

11

16.0

2.4

6.7

Friesian

10

mare

yes

 

16

32.2

3.2

9.9

warmbl

10

gelding

yes

 

12

16.7

3.0

5.6

Friesian

10

mare

yes

 

11

32.8

3.1

10.7

warmbl

12

mare

 

subepiglottis cyst

16

7.1

1.2

6.0

Friesian

11

mare

yes

 

18

26.0

2.3

11.3

warmbl

12

gelding

yes

 

12

26.8

2.9

9.1

Friesian

12

mare

yes

 

11

27.9

2.6

10.9

warmbl

13

gelding

yes

 

14

19.1

4.2

4.6

Friesian

13

mare

yes

 

17

26.4

3.6

7.3

warmbl

17

gelding

yes

 

13

24.0

2.9

8.4

Friesian

15

mare

yes

 

17

22.5

2.5

8.9

warmbl

18

gelding

yes

 

15

25.0

7.7

3.3

Friesian

16

mare

  

17

31.7

3.6

8.8

warmbl

20

mare

 

urinary bladder tumor

10

18.9

2.9

6.4

Friesian

19

gelding

yes

 

17

19.6

2.8

6.9

warmbl

20

gelding

yes

 

14

20.7

3.6

5.8

Median

10

   

17

27.9

2.8

9.6

 

10

   

12

19.1

3.5

5.8