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Chart 34
Demo Chart Variation

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We have presented all of the variation charts in the same way. The title describes the surgical procedure or activity displayed in the chart and the date range for the information listed. The data is all obtained in these charts from the hospital inpatient discharge database maintained by the Maine Health Data Organization.

The vertical axis lists the hospital service areas (HSAs). Maine has been divided into 34 HSAs. We do not use the York HSA because too many citizens of that area get their care in New Hampshire. Therefore, for York this method does not work. The horizontal axis is the percent difference or variation of each HSA from the state mean or average (at 0%).  Positive differences are shown in bars to the right of 0% and negative differences are shown to the left of 0%. If the bar is orange, then the difference is very unlikely to be by chance. Another way to say it is that the difference is statistically significant.

Demo Chart Variation graphic



I. Variation Charts
chart 1 intro > chart 1 | ssa intro > chart 1A > chart 1B | chart 2 intro > chart 2 | chart 3 intro > chart 3 | chart 4 intro > chart 4
chart 5 intro > chart 5 | chart 6 intro > chart 6 | chart 7 intro > chart 7 | chart 8 intro > chart 8
chart 9 intro > chart 9 | chart 10 intro > chart 10 | chart 11 intro > chart 11
II. Quality Analysis Charts
chart 12 intro > chart 12 | chart 13 | chart 14 | chart 15 | chart 16 | chart 17 | chart 18 | chart 19 | chart 20 | chart 21
chart 22 | chart 23 | chart 24 | chart 25 | chart 26 | chart 27 | chart 28
III. Disease Burden Charts
chart 29 | chart 30 | chart 31 | chart 32
IV. Demo Chart Quality
chart 33
V. Demo Chart Variation
chart 34
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