This is a vertical forest plot.

The horizontal axis is labeled "Study number" and numbered 1, 10, 20, 30, and so on up to 100. The vertical axis is labeled "Difference in percentage healed" and numbered minus 40, minus 20, 0, 20, 40, 60. There is a horizontal line at difference = 20.

There are 100 studies, numbered 1 to 100. For each study there is a vertical line with a point marked in the middle. About half of the points are above the horizontal line at difference = 20, half below. Most of the vertical lines cross difference = 20. Six do not. These are marked with an open diamond symbol at the bottom of the graph.

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This page maintained by Martin Bland.

Last updated: 22 July, 2009.