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31 Cards in this Set

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  • Back
More Common in Males or Females? Coronary Artery Disease?
Males
More Common in Males or Females? Cardiomyopathy?
Males
More Common in Males or Females? Endangiitis Obliterans
Males
More Common in Males or Females? Periarteritis Nodosa
Males
More Common in Males or Females? Chronic Lymphocytic Leukemia
Males
In which ethnic group is it more common to find B-thalassemia?
Mediterraneans
In which ethnic group is it more common to find G6PD Deficiency?
Mediterraneans
In which ethnic group is it more common to find pseudocholinesterase deficiency?
Eskimos
Name three diseases commonly associated with Ashkenazi Jews.
Gaucher's
Niemann-Pick
Tay-Sachs
In which professions are brucellosis most common?
Abattoir workers, farmers
What profession would you associate with cadmium poisoning?
Battery manufacturer or Repairman
What profession would you associate with sporotrichosis?
Gardeners
What profession would you associate with silicosis?
Glass and ceramic industry workers
What profession would you associate with lead poisoning?
Painters, radiator repairmen, glass and ceramic workers, battery manufacturers or repairmen.
What profession would you associate with Aromatic Amines? What disease does this sometimes cause?
Rubber Industry
Bladder Carcinoma
Define Sensitivity and tell it's equation using the 4x4 chart
Probability that a DISEASED patient will test positive. Good for screening.
a/a+c
Define Specificity and tell its equation using the 4x4 chart
Probability that a NON-DISEASED person will test negative.
Good for confirming the presence of a disease.
c/b+d
Define Positive Predictive Value and incude its equation
Probability that a person testing POSITIVE for a disease, has the disease.
a/a+b
Define Negative Predictive Value and include its equation
Probability that a person testing NEGATIVE for a disease, will be healthy.
d/c+d
Define Incidence
NUMBER OF NEW CASES in a given population that develop over a period of time
Define Prevalence
NUMBER OF EXISTING CASES at a moment in time.
What is a CASE CONTROL STUDY?
Observational study, usually RETROSPECTIVE, in which cases (with disease) and controls (disease free) are identified. Info. collected about past eposure to possible etiologic factors used to calculate Odds Ratio
What is a COHORT STUDY?
Observational study, usually PROSPECTIVE, in which a sample group (cohort) is matched to controls also with the presence or absence of a particular risk factor. Groups followed to determine if disease develops
True or False:
Risk ratio can not be determined from a cohort study.
False
Risk ration can not be determined from case-control study.
What is the risk ratio?
Kindof like dividing the pos. predictive value by the neg. predictive value.
[A/(A+B)]/[C/(C+D)]
What type of error...
To claim a difference between groups when there is not (alpha symbol).
Type I error
What type of error...
To see no difference between groups when there is one (Beta symbol).
Type II error
True or False:
Odds ratio can not be determined from case-control study.
False
Note: If risk is low, odds ratio will give a good estimate of risk ratio
What is a CROSS-SECTIONAL SURVEY?
Survey of the population at a single point in time.
Used to estimate prevalence and to form hypotheses.
What is Meta-Analysis?
A statistical combination of data from several studies (often via literature search)
What is a RANDOMIZED CONTROLLED CLINICAL TRIAL (RCT)?
Experimental, prospective study in which subjects are assigned to a treatment or a control group. Minimizes for bias and confounding variables; double blinded studies prevent observation bias.