This may be problematic in clinical situations, where prognostic and therapeutic decisions are guided by interpretation of the HRQL burden revealed by the HRQL measure, often based on the mean scores of HRQL measures.
Despite this evolution of radiolgists' centrality in patient care, manpower planning in radiology has tended to rely on out-dated methods of workload measurement, often based on crude measures of numbers of studies reported per Consultant.
In part this relates to a general problem in measurement development, where measures are often based on theory or historically convenient indicators and tools.
Any answer to these questions has to take account of the fact that public health measures are often based on prospective benefits, not immediately securable benefits.[5] Second, promoting public health involves a high degree of commitment to the prevention of disease and injury.
Those measures are often based on single smoking self-report observations that were assessed as long as decades before the measured outcomes [ 22].
Currently, surrogate measures are most often based on broad-scale (100 1000s of km) bioregional frameworks that define general categories (sandy beach, rocky shore) for intertidal systems.
Measuring poverty is often based on snapshot surveys of income levels, but Deaton is lauded for a more sophisticated analysis, dating back to 1980, tracking groups or cohorts of the population and examining the improvements, or lack of them, in their wellbeing through their consumption of health services and their life expectancy and access to education.
Measures of welfare are often based on poverty indices related to household income or wealth, and these measures are more strongly correlated with the income-generating work of men than with the domestic work of women in traditional societies.
Another argument against enhanced infection control measures is that they are often based on poor-quality evidence.
15 Various adaptations of this definition have been described in the literature, and were often based upon available measures in specific studies rather than meaningful conceptual differences.
