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. Author manuscript; available in PMC: 2010 Sep 3.
Published in final edited form as: J Med Primatol. 2008 Jul 30;38(1):51–58. doi: 10.1111/j.1600-0684.2008.00307.x

Table 2.

Age of death of chimpanzees from all causes at SNPRC (n=87)

Categories of heart disease Males
 Females
 Total
n Average age of death n Average age of death n p
Idiopathic cardiomyopathy 38 26.11±1.30 7 36.96±2.56 45 0.004
Other heart disease 8 25.97±3.39 6 32.84±3.01 14 0.156
No heart disease 17 20.83±1.71 11 31.11±2.97 28 0.008
Totals 63 24.67±1.03 24 33.25±1.73 87 0.001
Heart disease as the primary cause of chimpanzee death
Idiopathic cardiomyopathy 22 24.85±3.56 2 36.64±3.20 24 0.001
Other heart disease 3 34.07±2.89 3 28.58±2.97 6 0.09

p-values = males vs. females