Skip to main content
. 2007 Mar 6;8:9. doi: 10.1186/1745-6215-8-9

Figure 1.

Figure 1

The numbers on each line represent the number of studies suppressed. The y-axis is the difference between the estimated bias and the Copas and Jackson bias bound. Simulation results: OR = 1, selection based on one tailed p-values, trial size variability = 0.05.