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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3780839 | PMC |
| http://dx.doi.org/10.1073/pnas.1311721110 | DOI Listing |
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Reply to: "Effect of mipomersen on LDL-cholesterol in patients with severe LDL-hypercholesterolaemia and atherosclerosis treated by lipoprotein apheresis: Corrections of the report on the randomized MICA-study".
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August 2018
University Munich, Munich, Germany. Electronic address:
The coronary heart disease in-patient experience questionnaire (I-PEQ (CHD)): results from the survey of National Health Service patients.
Qual Life Res
December 2002
Picker Institute Europe, King's Mead House, Oxpens Road, Oxford OX1 1RX.
Objective: Analysis of data from the National Survey of Coronary Heart Disease patients to develop a core measure of patient experiences of health care. A secondary purpose was to determine whether a single summary index figure could be generated from the instrument.
Design: The data reported here comes from the survey of coronary heart disease (CHD) patients, which was the second in the programme of National Surveys of National Health Service (NHS) patients.
Can item response theory reduce patient burden when measuring health status in neurological disorders? Results from Rasch analysis of the SF-36 physical functioning scale (PF-10).
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Health Services Research Unit, Department of Public Health, University of Oxford, Institute of Health Sciences, Headington, Oxford OX3 7LF, UK.
Background: Indices of physical function may have a hierarchy of items. In cases where this can be demonstrated it may be possible to reduce patient burden by asking them to complete only those items which relate directly to their own level of ability.
Objectives: To determine whether statistical procedures, operationalising what is known as item response theory (IRT), can be used to assess the unidimensionality of the 10 item physical functioning domain of the SF-36 in patients with Parkinson's disease and motor neuron disease, and, secondly, to determine whether it would be possible to administer subsets of items to certain patients, on the basis of their replies to other items in the scale, thereby reducing patient burden.
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