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Table 1 Disorder counts, prevalence % (prev), and 95 % confidence interval (low and high) for inherited disorders between purebred dog categories and the mixed-breed dog population diagnosed over a 15-year period

From: Ten inherited disorders in purebred dogs by functional breed groupings

 

No. of normal

No. of affected

Prev

Low

High

No. of normal

No. of affected

Prev

Low

High

No. of normal

No. of affected

Prev

Low

High

No. of normal

No. of affected

Prev

Low

High

No. of normal

No. of affected

Prev

Low

High

 

Aortic stenosis

Atopyl/allergic dermititis

Gastric dilatation volvulus

Early onset cataracts

Dilated cardiomyopathy

AKC group

                         

 Mixed breed

22,649

34

0.15

0.10

0.20

22,437

246

1.08

0.95

1.21

22,638

45

0.20

0.14

0.26

21,767

916

4.04

3.78

4.30

22,647

36

0.16

0.11

0.21

 Herding

9678

46

0.47

0.33

0.61

9604

120

1.23

1.01

1.45

9685

39

0.40

0.27

0.53

9377

347

3.57

3.20

3.94

9712

12

0.12

0.05

0.19

 Hound

5331

13

0.24

0.11

0.37

5280

64

1.20

0.91

1.49

5329

15

0.28

0.14

0.42

5130

214

4.00

3.47

4.53

5317

27

0.51

0.32

0.70

 Non-sporting

6491

25

0.38

0.23

0.53

6345

171

2.62

2.23

3.01

6489

27

0.41

0.25

0.57

5965

551

8.46

7.78

9.14

6508

8

0.12

0.03

0.21

 Sporting

18,849

91

0.48

0.38

0.58

18,574

366

1.93

1.73

2.13

18,884

56

0.30

0.22

0.38

18,006

934

4.93

4.62

5.24

18,848

92

0.49

0.39

0.59

 Terrier

4870

15

0.31

0.15

0.47

4730

155

3.17

2.68

3.66

4879

6

0.12

00.02

0.22

4557

328

6.71

6.01

7.41

4879

6

0.12

0.02

0.22

 Toy

9773

25

0.26

0.16

0.36

9645

153

1.56

1.31

1.81

9795

3

0.03

0.00

0.06

8995

803

8.20

7.66

8.74

9794

4

0.04

0.00

0.08

 Working

10,562

183

1.70

1.46

1.94

10,632

113

1.05

0.86

1.24

10,670

75

0.70

0.54

0.86

10,439

306

2.85

2.54

10538

207

1.93

1.67

2.19

 

Haplotype group

 Mixed breed

22,649

34

0.15

0.10

0.20

22,437

246

1.08

0.95

1.21

22,638

45

0.20

0.14

0.26

21,767

916

4.04

3.78

4.30

22,647

36

0.16

0.11

0.21

 Ancient and spitz

2937

9

0.31

0.11

0.51

2910

36

1.22

0.82

1.62

2927

19

0.64

0.35

0.93

2795

151

5.13

4.33

5.93

2936

10

0.34

0.13

0.55

 Herding

4568

11

0.24

0.10

0.38

4524

55

1.20

0.88

1.52

4573

6

0.13

0.03

0.23

4383

196

4.28

3.69

4.87

4577

2

0.04

−0.02

0.10

 Mastiff-like

5443

105

1.89

1.53

2.25

5431

117

2.11

1.73

2.49

5534

14

0.25

0.12

0.38

5278

270

4.87

4.30

5.44

5494

54

0.97

.71

1.23

 Retriever

18,181

166

0.90

0.75

1.04

18,032

315

1.72

1.53

1.91

18,269

78

0.43

0.34

0.52

17,783

564

3.07

2.82

3.32

18,231

116

0.63

0.52

0.74

 Scent hound

3738

4

0.11

0.01

0.21

3692

50

1.34

0.97

1.71

3738

4

0.11

0.01

0.21

3558

184

4.92

4.23

5.61

3740

2

0.05

−0.02

0.12

 Sight hound

757

4

0.53

0.02

1.04

757

4

0.53

0.02

1.04

755

6

0.76

0.16

1.42

744

17

2.23

1.18

3.28

745

15

1.97

0.98

2.96

 Small terrier

2532

2

0.08

–0.08

0.19

2438

96

3.79

3.05

4.53

2533

1

0.04

–0.04

0.12

2369

165

6.51

5.55

7.47

5232

2

0.08

–0.03

0.19

 Spaniel

4309

6

0.14

0.03

0.25

4239

76

1.76

1.37

2.15

4305

10

0.23

0.09

0.37

3884

431

9.99

9.10

10.88

4274

41

0.95

0.66

1.24

 Toy

5524

18

0.32

0.17

0.47

5461

81

1.46

1.14

1.78

5541

1

0.02

−0.02

0.06

5204

338

6.10

5.47

6.73

5540

2

0.04

−0.04

0.09

 Working group 1

1911

0

0.00

0.00

0.00

1883

28

1.47

0.93

2.01

1887

14

0.73

0.35

1.11

1666

245

12.82

11.32

14.32

1908

3

0.16

−0.02

0.34

 Working group 2

5088

28

0.55

0.35

0.75

5044

72

1.41

1.09

1.73

5072

44

0.86

0.61

1.11

4981

135

2.64

2.20

3.08

5034

82

1.60

1.26

1.94

 

Elbow dysplasia

Epilepsy

Hypothyroidism

Intervertebral disk disease

Portosystemic shunt

AKC group

 Mixed breed

22,479

204

0.90

0.78

1.02

22,477

206

0.91

0.79

1.03

22,334

349

1.54

1.38

1.70

21,679

1004

4.43

4.16

4.70

22,604

79

0.35

0.27

0.43

 Herding

9555

169

1.74

1.48

2.00

9574

150

1.54

1.30

1.78

9553

171

1.76

1.50

2.02

9057

667

6.86

6.36

7.36

9695

29

0.30

0.19

0.41

 Hound

5324

20

0.37

0.21

0.53

5270

74

1.38

1.07

1.69

5244

100

1.87

1.51

2.23

4278

1066

19.95

18.88

21.02

5313

31

0.58

0.38

0.79

 Non-sporting

6481

35

054

0.36

0.72

6422

94

1.44

1.15

1.73

6387

129

1.98

1.64

2.32

6112

404

6.20

5.61

6.79

6488

28

0.43

0.27

0.59

 Sporting

18,447

493

2.60

2.37

2.83

18,667

273

1.44

1.27

1.61

18,409

531

2.80

2.56

3.04

18,176

764

4.03

3.75

4.31

18,864

76

0.40

0.31

0.49

 Terrier

4862

23

0.47

0.28

0.66

4844

41

0.84

0.58

1.10

4809

76

1.56

1.21

1.91

4711

174

3.56

3.04

4.08

4816

69

1.41

1.08

1.74

 Toy

9791

7

0.07

0.02

0.12

9674

124

1.27

1.05

1.49

9675

123

1.23

1.04

1.48

9221

577

5.89

5.42

6.36

9412

386

3.94

3.55

4.33

 Working

10,345

400

3.72

3.36

3.36

4.08

10,669

76

0.71

0.55

0.87

10438

307

2.86

2.54

3.18

10,062

683

6.36

5.90

10,712

33

0.31

0.21

0.41

Haplotype group

 Mixed breed

22,479

204

0.90

0.78

1.02

22,477

206

0.91

0.79

1.03

22,334

349

1.54

1.38

1.70

21,679

1004

4.43

4.16

4.70

22,604

79

0.35

0.27

0.43

 Ancient and spitz

2916

30

1.02

0.66

1.38

2906

40

1.36

0.94

1.78

2848

98

3.33

2.68

3.98

2810

136

4.62

3.86

5.38

2937

9

0.31

0.11

0.51

 Herding

4553

26

0.57

0.35

0.79

4487

92

2.01

1.60

2.42

4477

102

2.23

1.80

2.66

4344

235

5.13

4.49

5.77

4555

24

0.52

0.31

0.73

 Mastiff-like

5482

66

1.19

0.09

1.48

5496

52

0.94

0.69

1.19

5471

77

1.39

1.08

1.70

5263

285

5.14

4.56

5.72

5524

24

0.43

0.26

0.60

 Retriever

17,557

790

4.31

4.02

4.60

18,145

202

1.10

0.95

1.25

17,876

471

2.57

2.34

2.80

17,522

825

4.50

4.20

4.80

18,279

68

0.37

0.28

0.45

 Scent hound

3733

9

0.24

0.08

0.40

3686

56

1.50

1.11

1.89

3681

61

1.63

1.22

2.04

2760

982

26.24

24.83

27.65

3718

24

0.64

0.38

0.90

 Sight hound

760

1

0.13

−0.13

0.39

750

11

1.45

0.60

2.30

748

13

1.71

0.79

2.63

706

55

7.23

5.39

9.07

755

6

0.79

0.16

1.42

 Small terrier

2532

2

0.08

−0.03

0.19

2513

21

0.83

0.48

1.18

2503

31

1.22

0.79

1.65

2463

71

2.80

2.16

3.44

2367

167

6.59

5.62

7.56

 Spaniel

4302

13

0.30

0.14

0.46

4235

80

1.85

1.45

2.25

4191

124

2.87

2.37

3.37

4112

202

4.68

4.05

5.31

4299

16

0.37

0.19

0.55

 Toy

5539

3

0.05

−0.01

0.11

5473

69

1.25

0.96

1.54

5477

65

1.17

0.89

1.45

5153

389

7.02

6.35

7.69

5383

159

2.87

2.43

3.31

 Working group 1

1908

3

0.16

−0.02

0.34

1869

42

2.20

1.54

2.86

1882

29

1.52

0.97

2.07

1819

92

4.81

3.85

5.77

1885

26

1.36

0.84

1.88

 Working group 2

4992

124

2.42

2.00

2.84

5055

61

1.19

0.89

1.49

4998

118

2.31

1.90

2.72

4594

522

10.20

9.37

11.03

5107

9

0.18

0.07

0.29