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Table 2 Age at death statistics from the 30 most commonly reported causes, including the number of deaths reported (N), the contribution per cause (as a percentage of all deaths reported in the survey), the median, inter-quartile range (IQR), range (minimum and maximum) and 95% confidence interval of the median of age of death in months

From: Longevity and mortality in Kennel Club registered dog breeds in the UK in 2014

Disease No. Deaths (N) Prevalence (%) Parameters of age at death (months) by breed (with n ≥ 50)
Median IQR Range 95% CI
Old Age 780 13.77 164.5 148–177 69–267 1.64
Cancer - unspecified 492 8.69 123 98.5–145 2–255 3.31
Unknown 290 5.12 112 71–147 0–241 7.05
Heart Failure 277 4.89 119 90.75–147 0–207 5.34
Kidney Failure 239 4.22 125 85–152 3–210 6.85
Old Age combinations 229 4.04 155 139–169 86–216 3.13
Bone tumour 192 3.39 110.5 85–132.5 18–242 5.42
Lymphoma 180 3.18 95.5 61–126 3–171 7.65
Cardiomyopathy 166 2.93 114 82–142 1–220 7.36
Brain tumour 159 2.81 103 73.5–136 0–195 7.83
Stroke 136 2.40 152.5 129–168 7–191 5.28
Splenic tumour 129 2.28 126 101.75–146.75 16–180 6.26
Hepatic liver tumour 115 2.03 119 91–142 20–183 7.51
Road Traffic Accident 102 1.80 38.5 14–74 1–176 9.39
Liver Failure 89 1.57 136 96–152.25 4–195.36 9.42
Epilepsy 88 1.55 68 39–96 4–180 9.60
Gastric dilation-volvulus (Bloat) 87 1.54 101 60–127.75 14–166.68 11.48
Aggression 85 1.50 39 21–75.25 7–157 9.30
Seizure 82 1.45 130.5 81–153 4–192 12.56
Gastric tumour 78 1.38 120.5 95–143 25–198 8.59
Arthritis 77 1.36 151 129.42–168 18–219 6.95
Oral tumour 72 1.27 133.5 103.5–154 27–203 9.40
Lung tumour 55 0.97 117 96–135.5 32–317 8.42
Mammary tumour 53 0.94 126 111–148.25 78–190 8.08
Hyperadrenocorticism (Cushing’s Disease) 50 0.88 138 117–158 69–188 9.16
Intestinal tumour 49 0.87 127 93–149 28–195 12.64
Skin tumour 45 0.79 112 76.75–136 14–179 13.96
Surgical complication 44 0.78 68 31.5–107.5 2–193 18.10
Pancreatitis 42 0.74 109 67–132 13–191 15.85
Leukaemia 40 0.71 94 60.5–114 13–177 13.37
Cumulative total 4522 79.85   
All responses from all breeds 5663 100% 124 86–154 0–317 1.43