Regarding meta-analysis, which one of the following
statements is TRUE?
a) Is analagous to a systematic review
b) The size of a ‘blob’ in a ‘blobbogram’ reflects the degree of significance found in the individual study
c) If the centre line is crossed by the confidence interval of the combined result,
there is no association between the variables
d) The ‘x’ axis of the results graph is usually expressed as relative risk
e) The funnel plot helps to identify selection bias
