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Prospective cohort study - Wikipedia, the free encyclopedia
A prospective cohort study is a cohort study that follows over time a group of similar individuals ("cohort") who differ with respect to certain factors under study, in order to determine how these ...
en.wikipedia.org/wiki/Prospective_cohort_study |
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A prospective study watches for outcomes, such as the development of a disease, during the study period and relates this to other factors such as suspected risk or protection factor(s). The study usually involves taking a cohort of subjects and watching them over a long period.
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Jul 8, 2008 ... In contrast, a prospective study looks forward in time. For example, we select a group of subjects and sit around and watch them for a ...
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Design: Prospective study using interviews and questionnaire assessments. Setting: Participants' homes throughout the United Kingdom. Participants: 143 women with increased risk of developing breast cancer who were offered bilateral prophylactic mastectomy and who accepted or declined the surgery;
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Design: Prospective cohort study. Participants: 221 healthy women who were planning a pregnancy. Main outcome measures: The timing of ovulation in 696 menstrual cycles, estimated using urinary metabolites of oestrogen and progesterone.
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(Medical Journal of Australia) White-tail spider bite: a prospective study of 130 definite bites by Lampona species ... Subjects were recruited prospectively during a 39-month period from February 1999 to April 2002. Most were a subgroup of a large, prospective study of all spider bites in Australia, conducted from 1...
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(Medical Journal of Australia) First-aid management of minor burns in children: a prospective study of children presenting to the Children's Hospital at Westmead, Sydney ... We undertook a prospective study of all children who presented to the Emergency Department or Acute Wound Clinic, the Children's Hospital at...
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Concurrent cohort studies are prospective studies, whereas historical cohort studies are not (see cohort study), although in epidemiology a prospective study is sometimes used as a synonym for cohort study. See retrospective study.
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We examined prospectively the relationship of an optimistic or pessimistic explanatory style with coronary heart disease incidence in the Veterans Affairs Normative Aging Study, ... These prospective data are among the first to demonstrate that a more optimistic explanatory style, or viewing the glass as half full,
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