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Figure 17.1
Relationship between reading and years from graduation from medical school. (Adapted from Sackett 1997 [ ]. Reproduced with permission of Elsevier.)
Figure 17.5
Typical forest plot showing the results of a meta‐analysis of trials of tacrolimus 0.1% ointment versus vehicle in the management of moderate to sever...
Figure 17.2
The PICOT format.
Figure 17.6
Nomogram for determining the post‐test probability. To determine the post‐test probability, draw a straight line through the pre‐test probability and ...
Figure 17.3
The hierarchy of evidence.
Figure 17.7
Hypothetical final lesion counts in a clinical trial of treatments X, Y and Z. The same data are displayed or summarized in each panel.A graphical dis...
Figure 17.4
(a) Fixed‐effects models assume that each trial represents a random sample (coloured curves) of a single population with a single response to treatmen...
Figure 17.8
The effects of (a) sample size, (b) variability and (c) desired confidence level on confidence intervals (CIs). (a) The mean change in psoriasis area ...