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Table 2 Breed distribution and OR for hypothyroidism (FT4 < 7 ρmol/L, and TSH > 0.45)

From: Breed distributions for diabetes mellitus and hypothyroidism in Norwegian dogs

Breed

No. of cases

Odds Ratio A: VCPL

Odds Ratio B: NKK

Ranks A - B

No. of dogs in CG: A - B

Mean age of cases in the breed

% Females

Eurasier

45

8.4 (6.0–11.5)**

5.7 (4.1–7.7)**

1st - 1st

443–2068

5.2 (4.5–5.9)

59%

Schnauzer

12

6.2 (3.1–11.3)**

2.0 (1.0–3.5)*

2nd -7th

147–1504

5.7 (4.3–7.1)

55%

Dunker

15

2.1 (1.2–3.5)**

1.5 (0.8–2.5)NS

3rd - 10th

528–2513

4.5 (3.1–5.8)

65%

English Setter

124

2.1 (1.7–2.5)**

2.4 (1.9–2.9)**

4th - 4th

4719–14,216

7.8 (7.3–8.3)

44%

Portuguese Water Dog

11

2.0 (1.0–3.7)*

1.3 (0.7–2.4)NS

5th - 11th

395–2040

6.3 (4.9–7.6)

60%

Gordon Setter

96

1.9 (1.5–2.4)**

2.1 (1.7–2.6)**

6th - 6th

3882–11,956

7.8 (7.3–8.3)

57%

Finnish Lapponian Dog

11

1.9 (0.9–3.4)*

1.1 (0.6–2.0)NS

7th - 18th

427–2425

5.0 (3.4–6.6)

67%

American Cocker Spaniel

27

1.9 (1.2–2.8)**

2.3 (1.5–3.3)**

8th - 5th

1058–3003

6.6 (5.7–7.6)

56%

Jämthund

17

1.9 (1.1–3.0)**

0.9 (0.5–1.4)NS

9th - 21st

667- 4697

6.1 (4.8–7.4)

57%

Bichon Havanais

11

1.8 (0.9–3.3) *

0.6 (0.3–1.0)NS

10th - 24th

445–4619

6.7 (5.3–8.1)

56%

English Cocker Spaniel

60

1.8 (1.4–2.4) **

1.9 (1.4–2.4)**

11th - 8th

2492–8177

6.9 (6.3–7.6)

60%

Kleiner Münsterländer

11

1.7 (0.8–3.1)NS

2.5 (1.3–4.6)**

12th - 3rd

468–1081

5.6 (4.2–7.0)

67%

Shetland Sheepdog

42

1.5 (1.1–2.1)**

1.3 (0.9–1.8)NS

13th - 12th

1995–7950

6.5 (5.7–7.2)

38%

Giant Schnauzer

30

1.5 (1.0–2.2) *

4.2 (2.8–6.1)**

14th - 2nd

1436–1818

6.7 (5.8–7.5)

43%

Alaskan Malamute

15

1.5 (0.8–2.5)NS

1.2 (0.7–2.0)NS

15th - 14th

739–3079

5.4 (4.0–6.7)

38%

Labrador Retriever

28

0.4 (0.3–0.6)**

0.6 (0.4–0.9)**

25th - 23rd

4663–11,501

6.5 (5.5–7.4)

55%

Border Collie

16

0.4 (0.2–0.6)**

0.2 (0.1–0.4)**

26th - 28th

2872–16,150

7.3 (6.1–8.4)

56%

German Shepherd

29

0.3 (0.2–0.4)**

0.3 (0.2–0.5)**

27th - 25th

6273–19,999

5.6 (4.8–6.5)

74%

Dachshund

16

0.3 (0.2–0.5)**

0.3 (0.2–0.5)**

28th - 27th

3742–13,022

7.4 (6.3–8.6)

36%

Rottweiler

12

0.2 (0.1–0.4)**

0.3 (0.2–0.5)**

29th - 26th

3726–9643

6.4 (5.0–7.8)

55%

  1. The table shows the odds ratio per breed calculated with the two comparator groups. The confidence interval of the OR is set to 95% and is marked within the parenthesis. The number of cases per breed and the rank for each breed within the different comparator groups are listed. P-values for the OR calculations are marked with * ≤ 0.05, ** ≤ 0.01, and NS (not significant) > 0.05. Comparator group A consist of the total submitted blood samples for dogs for any reason to VCPL, and comparator group B consist of new NKK registrations. Both comparator groups consist of registrations from 2001 to 2018, and the number of dogs in the comparator groups are listed. The mean age of the cases and % females in the breeds are listed in the table