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Figure c17/f001
Figure 17.1
Relationship between reading and years from graduation from medical school. (Adapted from Sackett 1997 [ ]. Reproduced with permission of Elsevier.)
Figure c17/f005
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 c17/f002
Figure 17.2
The PICOT format.
Figure c17/f006
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 c17/f003
Figure 17.3
The hierarchy of evidence.
Figure c17/f007
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 c17/f004
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 c17/f008
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 ...