Podcast
Questions and Answers
What are the types of observational studies?
What are the types of observational studies?
- Experimental studies
- Case report (correct)
- Descriptive studies (correct)
- Analytical studies (correct)
Which of the following are examples of analytical studies?
Which of the following are examples of analytical studies?
- Case-control studies (correct)
- Cohort studies (correct)
- Cross-sectional studies (correct)
- All of the above
What are the types of experimental studies?
What are the types of experimental studies?
- Preventive trials (correct)
- Clinical trials (correct)
- Population trials (correct)
- All of the above
What factors are considered in a descriptive study?
What factors are considered in a descriptive study?
What is a case report?
What is a case report?
What is a cross-sectional study?
What is a cross-sectional study?
What are the advantages of cross-sectional studies?
What are the advantages of cross-sectional studies?
What is a case-control study?
What is a case-control study?
What are the advantages of case-control studies?
What are the advantages of case-control studies?
Flashcards
Case Report
Case Report
A detailed report about a single patient's illness, including their symptoms, diagnosis, and treatment.
Case Series
Case Series
A study examining the medical records of multiple patients with a shared characteristic, such as a specific treatment.
Descriptive Study
Descriptive Study
A type of epidemiological study that describes the characteristics of a disease, such as its distribution in a population.
Analytic Study
Analytic Study
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Case-Control Study
Case-Control Study
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Cohort Study
Cohort Study
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Experimental Study
Experimental Study
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Prevalence Study
Prevalence Study
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Disease Prevalence
Disease Prevalence
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Rare or Highly Fatal Disease
Rare or Highly Fatal Disease
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Cross-Sectional Study
Cross-Sectional Study
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Small Subject Number (Case-Control)
Small Subject Number (Case-Control)
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Fast Results (Case-Control)
Fast Results (Case-Control)
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Low Cost (Case-Control)
Low Cost (Case-Control)
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Bias (Case-Control)
Bias (Case-Control)
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Odds Ratio
Odds Ratio
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Incidence Rate
Incidence Rate
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Retrospective Cohort Studies
Retrospective Cohort Studies
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Prospective Cohort Studies
Prospective Cohort Studies
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Study Notes
Epidemiological Study Types
- Observational studies: Investigators observe subjects but do not intervene
- Descriptive studies: Describe disease patterns in a population
- Case report: Detailed report of symptoms, signs, diagnosis, and treatment of an individual patient
- Case series: Research study tracking subjects with a known exposure, examining medical records for exposure and outcome
- Person: Age, sex, race
- Place: Geographic distribution of disease
- Time: Secular trend, seasonal variation
- Analytic studies: Determine associations between exposures and diseases
- Case-control studies: Compare individuals with a disease (cases) to individuals without the disease (controls)
- Cohort studies: Follow a group of individuals over time to observe disease development
- Experimental studies: Investigators intervene to test a hypothesis
- Preventive trials
- Clinical trials
- Population trials
Cross-Sectional Study
- Also known as prevalence study
- Not suitable for studying rare or highly fatal diseases with short durations of expression (acute diseases)
- Advantages:
- Measures population sample characteristics
- Determines disease prevalence
- Studies multiple risk factors and multiple diseases simultaneously
Case-Control Study
- Retrospectively compares individuals with a disease to those without
- Advantages:
- Small number of subjects
- Relatively quick results
- Low cost
Disadvantages
- Bias
- Odds ratio
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