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Table 1 Demographics and causes of death for DNP and non-DNP groups

From: Donepezil and life expectancy in Alzheimer’s disease: A retrospective analysis in the Tajiri Project

  DNP group Non-DNP group
n (men/women) 52 (18/34) 48 (10/38)
Mean age (SD), years 80.5 (6.9) 82.9 (6.7)
Causes of death   
 Pneumonia and/or respiratory failure 19 21
 Cancer 1 4
 Stroke 3 3
 Heart diseases 5 5
 Others 13 10
 Unknown 11 5
  1. DNP = donepezil.
  2. There were no group differences for men/women ratio, causes of deaths (chi-square tests) and mean age (t-test).