Table 2. Proportion with disease history by weight category.
| Disease | <10kg | 10 to <20kg | 20 to <30kg | 30 to <40kg | > = 40kg | Overall |
|---|---|---|---|---|---|---|
| N = 6207 | N = 5613 | N = 8219 | N = 5167 | N = 2335 | N = 27541 | |
| Skin | 1628 (26%) | 1531 (27%) | 2369 (29%) | 1621 (31%) | 766 (33%) | 7915 (29%) |
| Infection/Parasites | 1186 (19%) | 1593 (28%) | 2441 (30%) | 1478 (29%) | 641 (27%) | 7339 (27%) |
| Bone/Orthopedic | 1187 (19%) | 931 (17%) | 1461 (18%) | 1181 (23%) | 527 (23%) | 5287 (19%) |
| Gastrointestinal | 892 (14%) | 786 (14%) | 1119 (14%) | 749 (14%) | 368 (16%) | 3914 (14%) |
| Ocular | 1079 (17%) | 800 (14%) | 934 (11%) | 571 (11%) | 241 (10%) | 3625 (13%) |
| Ear/Nose/Throat | 827 (13%) | 713 (13%) | 915 (11%) | 752 (15%) | 362 (16%) | 3569 (13%) |
| Kidney/Urinary | 530 (9%) | 452 (8%) | 639 (8%) | 369 (7%) | 131 (6%) | 2121 (8%) |
| Cancer/Tumors | 273 (4%) | 327 (6%) | 565 (7%) | 428 (8%) | 158 (7%) | 1751 (6%) |
| Cardiac | 671 (11%) | 362 (6%) | 301 (4%) | 177 (3%) | 56 (2%) | 1567 (6%) |
| Brain/Neurologic | 362 (6%) | 278 (5%) | 346 (4%) | 235 (5%) | 103 (4%) | 1324 (5%) |
| Liver/Pancreas | 393 (6%) | 209 (4%) | 195 (2%) | 130 (3%) | 43 (2%) | 970 (4%) |
| Respiratory | 385 (6%) | 169 (3%) | 207 (3%) | 124 (2%) | 65 (3%) | 950 (3%) |
| Endocrine | 194 (3%) | 190 (3%) | 264 (3%) | 176 (3%) | 89 (4%) | 913 (3%) |
Source: Data from the Dog Aging Project for N = 27,541 dogs included in the 2020 data release.