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Table 1 Classification of approaches to describe and valuate QoL according to the person surveyed

From: Quality of Life as an outcome in Alzheimer's disease and other dementias- obstacles and goals

Person surveyed or person defining

Measures to describe QoL

Procedures to valuate QoL

 

Generic

Disease-specific

Externally defined a

Preference-based b

Patient

I

II

-

1

Proxy

III

IV

-

2

Scientist

-

-

3

-

Population

-

-

-

4

  1. a e.g. a sum score
  2. b especially according to the procedures of VAS, TTO and SG, enabling the calculation of QALYs
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BMC Neurology

ISSN: 1471-2377

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