By Nicholas J. Talley, G Richard Locke III, Yuri A. Saito
Authoritative new textual content from the specialists in GI inhabitants studiesThis e-book covers either key methodological matters and an important details within the box, affliction by means of sickness. It makes a speciality of population-based details and reviews rules and methods to prognosis and remedy of ailments. GI Epidemiology brings jointly global gurus in a number of disciplines for the first actual time, to create one transparent and complete resource. the majority of the chapters are divided into components, masking methodological concerns and the epidemiology of particular GI illnesses. each one bankruptcy starts with an inventory of key issues, through a evaluate written in a transparent and straightforward type. The methodologic chapters disguise evidence-based drugs, meta-analysis, systematic stories, genetic and molecular epidemiology, medical trials, questionnaire layout, and future health economics. The disease-specific chapters word the present gaps in wisdom and recommend parts for additional examine. GI Epidemiology serves as either an invaluable refresher and a competent reference at the equipment and strategies utilized in epidemiological experiences for specialists and researchers in gastroenterology. it's also a useful instrument for fellows/trainees in gastroenterology, applicants for recertification within the mixed disciplines of gastroenterology, pediatric gastroenterology and colorectal surgical procedure, and an individual finishing MPH education.
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In: Wenger NK et al. (eds), Assessment of Quality of Life in Clinical Trials of Cardiovascular Therapies. Le Jacq Publishing Inc, 1984:170. 6. Talley NJ, Wiklund I. Patient reported outcomes in reflux disease: an overview of available measures. Qual Life Res 2005;14:21. 7. Veldhuyzen van Zanten S et al. Validation of the reflux disease questionnaire (RDQ), a new symptom scale for use in patients with upper gastrointestinal symptoms. Gastroenterology 2004;126(Suppl. 2):T1166. 8. Svedlund J et al.
A PRO measure is a standardized instrument that assesses any aspect of health status or the benefit of therapy directly from the patient’s perspective. PRO measures include a defined list of items to which patients respond using standardized response options and with respect to a defined recall period. They can be broadly grouped into generic, disease-specific and treatment-specific instruments (Fig. 3). Generic PROs report overall health and its effect on aspects of everyday life, and can be used in various patient populations.
What are the appropriate topics? Often a questionnaire will ask several questions about related issues that can then be combined into some type of scale. These content areas are called domains. Scope can be determined by focus groups or interviews with experts. The next decision is the mode of administration. Questionnaires can be administered face-to-face, by telephone or sent in the mail. They can be administered by people or by computerized voice response systems. Personal interactions are good for asking open-ended questions and following up with additional questions based on specific responses.