The Dependence Scale measures the amount of assistance patients with dementia require in performing daily activities. Validity and reliability of this scale have been demonstrated, but the progression throughout long periods in patients with Alzheimer disease (AD) has not previously been examined.
Department of Neurology, Gertrude H. Sergievsky Center, Columbia University College of Physicians and Surgeons, 630 W 168th St, New York, NY 10032, USA.
