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Medical Data Research Center, Providence Health System, 9205 SW Barns Rd, Ste 33, Portland, OR 97225
(Email: gary.grunkemeier@providence.org).
| The first 20% of the full text of this article appears below. |
To the Editor:
We thank Mohammed and Deeks [1] for drawing attention to an alternative method of displaying comparative mortality data [1]. Even though the error-plot is more widely used, the funnel plot as proposed by Spiegelhalter [2] provides an interesting and attractive alternative display. However, the information contained in these two portrayals is—or can be made to be—exactly the same.
Our Figure 1
shows A of Mohammed and Deeks' Figure 1, with the 99% confidence
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