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Table 1 Demographic characteristic of the cancer-bearing dogs and clinically normal dogs

From: Oxidative stress in cancer-bearing dogs assessed by measuring serum malondialdehyde

Variables Cancer-bearing dogs
(N = 80)
Clinically normal dogs
(N = 101)
p-valuea
Age, mean ± SD (range), yrs 9.06 ± 3.12 (2–15) 5.05 ± 2.20 (2–12) <0.001
Weight, mean ± SD (range), kg 20.20 ± 11.87 (4.2-49.2) 20.89 ± 9.24 (4.8-40.4) 0.663
Breed, no. (%)    0.003
Mixed 33 (41.25%) 65 (64.36%)  
Pure breed 47 (58.75%) 36 (35.67%)  
Sex, no. (%) 0.428
Male 26 (32.50%) 38 (37.62%)  
Female 54 (67.50%) 63 (62.38%)  
  1. aAge and weight by Independent Sample t-test; breed by Chi-square test.