Sentence examples for descriptive instruments from inspiring English sources
Descriptive instruments summarize multiple domains of health status and are based on classical test theory [ 6].
Suitable methodologies for cost-utility analysis (CUA) would mean using generic descriptive instruments or a generic health scale [ 8].
The largest amount of HRQL evidence on HIV/AIDS is based on descriptive instruments that address issues of specific relevance to the disease, with social stigma as a typical example.
Examples of descriptive instruments that are used in dementia include the Quality of Life in Alzheimer's Disease (QOL-AD) and the Dementia Quality of Life Instrument (D-QOL) [ 8, 9].
However, in cost utility analyses, where it is desirable to measure overall HRQoL along a single cardinal scale, descriptive instruments provide limited information and health effects, in this case, are measured usually in terms of quality-adjusted life years (QALYs) [ 1].
One such frequently used generic descriptive instrument is the SF-36 [ 7].
The SAQ is a validated descriptive instrument that evaluates quality of life in patients with IHD across five domains, specifically physical limitation, treatment satisfaction, angina frequency, angina stability, and disease perception.
The EQ-5D is a descriptive instrument that describes the health status of a patient and can be used to obtain an indirect estimate of utility by employing utility tariffs derived from a large scale lay population sample using the TTO method (Dolan et al, 1997) [ 11].
This preference component is the primary distinction between a utility instrument and a descriptive measurement instrument.
Descriptive measurement instruments are designed to measure quality of life across important aspects of a patient's health state, such as physical, psychosocial, or functional well-being.
Despite conceptual and methodological difficulties, the assessment of (HRQoL) can assist in caring for chronically ill patients and the most common measuring approach is using descriptive psychometric instruments that describe health status in a number of different areas.
