Match the following study types to their definition below: case control study, randomized controlled trial, registry, Inv estigational Device Exemptions (IDE) Prospectively comparing the outcomes of patients randomly assigned to be treated with a new device or procedure relative to a control group that may receive no treatment or standard treatment A. Case control study Monitoring outcomes through a collection of cases performed in a real world, which may be accumulated either prospectively or retrospectively after a number of cases have been performed B. Registry - ~ Retrospectively comparing the outcomes of a group of patients treated with a new device or procedure to a matched group receiving no treatment or a standard treatment C. Investigational Device Exemptions (IDE) - ~ Allows a device to be used in a clinical study in order to collect safety and effectiveness data. D. Randomized controlled

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Health Epidemiology

Health is an essential factor for all human beings. For all humans, health is a critical factor. An individual's ability to meet life's challenges and retain his or her capacity for optimal functioning is reflected in his or her condition of health. This needs the physical, mental, and biological parts of one's constitution to maintain a degree of functioning that has a favorable influence and support for one another.