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Table 2 Distribution of morbidities by organic system, according to sex and body size

From: Morbidity and mortality in elderly dogs – a model for human aging

  

Sex

Body size

 

Total (%)

n = 265

Males

n = 129

Females

n = 136

P value

≤20 kg

n = 114

> 20 kg

n = 84

P value

Cardiovascular

117 (44.2)

68

49

0.006

48

42

0.270

Digestive

84 (31.7)

47

37

0.106

43

21

0.058

Endocrine

36 (13.6)

15

21

0.365

14

11

0.864

Genital – malea

56 (72.7)

56

0.243

24

23

0.047

Genital – femalea

19 (61.3)

19

10

4

0.276

Hematopoietic

68 (25.7)

40

28

0.052

23

27

0.055

Liver

75 (28.3)

30

45

0.075

32

21

0.629

Mammary gland

47 (34.6)

0

47

0.000

20

12

0.856

Musculoskeletal

40 (15.1)

18

22

0.613

19

12

0.648

Nervous

9 (3.4)

3

6

0.348

5

3

0.773

Pancreas

18 (6.8)

8

10

0.709

11

4

0.198

Peritoneum

29 (10.9)

13

16

0.660

3

13

0.001

Respiratory

71 (26.8)

30

41

0.205

33

26

0.760

Skin/subcutaneous

62 (23.4)

34

28

0.267

27

23

0.554

Urinary

121 (45.7)

67

54

0.046

66

31

0.003

  1. Notes: a = only non-neutered animals were considered (males n = 77; females n = 31); −-- not applicable