Epi reviion Flashcards
Of the following environmental and behavioral risks, which had the highest number of attributable cancer deaths in 2001?
Smoking
The Standardised Mortality Ratio is:
A rate ratio adjusted for age
The most common way of presenting results from a meta-analysis is using a:
Forest Plot
The most common way of presenting results from a meta-analysis is using a:
Forest Plot
The most common way of presenting results from a meta-analysis is using a:
Forest Plot
What is the size of each box proportional to?
Weight of each study
The larger a box is, the more weight is given to that individual study.
What does the centre of the diamond represent?
Pooled point estimate
The pooled point estimate is the overall estimate having taken each study into account.
What would you look at to identify the 95% confidence intervals of each individual study?
Width of whiskers.
Similarly, the width of the diamond represents the overall 95% confidence intervals.
The fixed effects and random effects models are used in:
Meta-analyses
The choice of model is dependent on the degree of heterogeneity in the studies used.
The fixed effects and random effects models are used in:
Meta-analyses
The choice of model is dependent on the degree of heterogeneity in the studies used.
Which of the following constitute Stage 3 of a systematic review?
Reporting study results
This is a Forest Plot.
Meta-analysis
What is the main conclusion that can be drawn from this diagram?
There is no publication bias
The symmetrical shape of this funnel plot suggests no publication bias.
What kind of diagram could be constructed to explore the degree of heterogeneity in this meta-analysis?
Galbraith (radial) plot
However, if there is too much heterogeneity, it may not be appropriate to pool the studies.
What kind of diagram could be constructed to explore the degree of heterogeneity in this meta-analysis?
Galbraith (radial) plot
However, if there is too much heterogeneity, it may not be appropriate to pool the studies.
How often does the UK Census take place?
Every decade
The most recent census took place in 2011.
Of the following, which is the most commonly diagnosed cancer in the UK?
Large bowel
Other commonly diagnosed cancers in the UK include lung and breast cancer
The ability of a test to distinguish between subjects with a condition from those without it is called the:
Validity
Validity is described in terms of sensitivity and specificity.