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 |