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Table 2 Description of the study population of 43 horses with osteoarthritis of a metacarpo(tarso)phalangeal joint or carpal joint treated by intra-articular administration of a polyacrylamide hydrogel and variables evaluated during a 24 months follow-up

From: An international multi-centre prospective study on the efficacy of an intraarticular polyacrylamide hydrogel in horses with osteoarthritis: a 24 months follow-up

Variable

Data

Horses (no.)

43

Mean (range) age (years)

9.4 (2–15)

Breeds (no. (%))

 

  Warmbloods

30 (70%)

  Racing breeds

8 (19%)

  Others

5 (11%)

Horse activity (no. (%))

 

  Dressage

15 (35%)

  Jumping

13 (30%)

  Racing

8 (19%)

  Other

7 (16%)

Limb involved (no. (%))

 

  Front

27 (63%)

  Hind

16 (27%)

Joint involved (no. (%))

 

  Metacarpo(metatarso)phalangeal

40 (93%)

  Antebrachiocarpal, Middle carpal, Carpometacarpal

3 (7%)

Lameness duration before treatment (no. (%))

 

  1–6 months

35 (81%)

  >6 months

8 (19%)

Previous anti-osteoarthritic therapy

 

  Yes

37 (86%)

  No

6 (14%)

Lameness grading at baseline (no. (%))

 

  1

11 (26%)

  2

14 (32%)

  3

15 (35%)

  4

3 (7%)

Joint effusion grading at baseline (no. (%))

 

  0

3 (7%)

  1

10 (23%)

  2

18 (42%)

  3

7 (16%)

  4

5 (12%)

Joint effusion grading at 24 months (no. (%))

 

  0

31 (77.5%)

  1

8 (20%)

  2

0 (0%)

  3

1 (2.5%)

  4

0 (0%)

Radiographic grading of OA at baseline (no. (%))

 

  1 (mild)

23 (53%)

  2 (moderate)

9 (21%)

  3 (marked)

11 (26%)

Proportion of non-lame horses at (%)

 

  1 month

60%

  3 months

67%

  6 months

79%

  12 months

81%

  24 months

82.5%

Owner satisfaction at 24 months (%)

 

  Not satisfied

2.5%

  Slightly satisfied

7.5%

  Satisfied

15%

  Very satisfied

75%

  1. OA: osteoarthritis.