Deskriptif vs Analitis. Survei deskriptif (Epidemiologi deskriptif). Dilakukan tanpa hipotesis; Biasanya studi awal ataupun studi karakterisasi suatu penyakit baru. Deskriptif. Analitik. PTS-RST-PKH- 2- • Agen. • Faktor Lingkungan kejadian suatu penyakit yang berusaha dielusidasi dalam epidemiologi deskriptif . 2 15/03/ Manfaat Epidemiologi dalam Kesehatan Masyarakat Study Types 5 15/03/ EPIDEMIOLOGI DESKRIPTIF DAN ANALITIK.

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A case series identifies common features among multiple cases and describes patterns of variability among them. In science, how do we usually test a hypothesis? In investigators at the unit described ten cases that met the criteria for CJD but had all occurred at unusually young ages, showed distinctive symptoms and, on pathological examination, had extensive prion protein plaques throughout the brain similar dwskriptif BSE.

It can also be very difficult to ensure an fan selection of the control group and, as a result, the representativeness of the sample selection process is difficult to guarantee.

A new variant of Creutzfeld-Jacob disease in the UK. The history of each study participant is carefully evaluated for evidence of exposure to the agent under investigation. These authors found a high incidence of intentional analifik injury in this area of the city.

Cohort studies can be distinguished as either prospective or retrospective A prospective cohort study begins with the selection of two groups of non-diseased animals, one exposed to a factor postulated to cause a disease and the other unexposed.

Surveys range from simple one-page questionnaires addressing a single variable, to highly complex, multiple page designs. Research classifications Observational vs. To use this website, you must agree to our Privacy Policyincluding cookie policy. We think you have liked this presentation. Subjects are then followed over time to measure one or more outcomes, such as the occurrence of disease. Height, weight and a series of drskriptif body measurements were taken at the same time. Registration Forgot your password?

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The major objective analirik to test the possible effect of a therapeutic or preventive analiitik.

Case-control studies cannot provide information on the disease incidence in a population. Chlorination of drinking water and cancer in Taiwan. In the case of rare diseases large groups are necessary. Losses to follow-up can become an important problem. The investigators found a positive association between the use of chlorinated drinking water and mortality from rectal, lung, bladder, and kidney cancer.

Impractical if long periods of follow-up required. Synonyms for outcome are: About project SlidePlayer Terms of Service.

Because subjects have experienced the outcome of interest at the start of the study, case-control studies are quick to run and are considerably cheaper than other study types. My presentations Profile Feedback Log out. Feedback Privacy Policy Feedback. Auth with social network: Often quite expensive to run. Case reports are generally reported as a clinical narrative. Share buttons are a little epidemioologi lower.

If you wish to download it, please recommend daj to your friends in any social system. Cross-sectional studies Case-control Cohort. After adjusting for age, sex, race, education, study centre, and month and year of interview the risk of developing brain cancer in a cellular telephone user was estimated to be 0.

Cross sectional studies commonly involve surveys to collect data.

EPIDEMIOLOGI by conrad henricson on Prezi

At a single examination, each child was asked a series of questions about their usual amount of television viewing. In the simplest situation one group community receives the treatment and another serves as a control. Published by Mark Haynes Modified over 3 anallitik ago. Does cigarette smoking cause lung cancer?



Difficult to investigate cause and effect relationships. Denominator information came from US census data.

A special surveillance unit was set up to study Creutzfeld-Jacob disease CJDa rare and fatal progressive dementia that shares clinical and pathological features of BSE. The study is reliant on the quality of past records or recollection of study participants.


What is a cohort? Women were randomly assigned to receive either: A longitudinal study of injury morbidity in an African-American population.

Download ppt “Maxs U. Journal of the American Medical Association, Experimental Observational — researcher collects info on attributes or measurements. To make this website work, we log user data and share it with processors. From to at five academic medical centres in the USA they recruited cases aged 18 to 80 years with newly diagnosed cancer originating in the brain. An injury surveillance system was set up in a hospital emergency centre.

For many exposures it may not be ethical or feasible to conduct a clinical trial e. To determine whether treatment with antibiotics could reduce the incidence of adverse pregnancy outcomes, Carey et al screened 29, pregnant women to identify who had bacterial vaginosis, met certain other eligibility criteria, and consented to participate.