Expected mortality - Revision history

MaciejBlizinski: /* Notes */

2006-05-14T21:23:20Z

‎Notes

MaciejBlizinski: /* Application */ Notes.

2006-05-14T09:44:15Z

‎Application: Notes.

MaciejBlizinski: /* The formula */ Center dot looks better

2006-05-14T09:41:21Z

‎The formula: Center dot looks better

MaciejBlizinski: /* By example */

2006-05-07T10:32:28Z

‎By example

MaciejBlizinski at 09:41, 7 May 2006

2006-05-07T09:41:22Z

MaciejBlizinski: Different heading

2006-05-07T09:33:08Z

Different heading

MaciejBlizinski: Formula for the expected mortality

2006-05-07T09:32:26Z

Formula for the expected mortality

MaciejBlizinski at 08:54, 7 May 2006

2006-05-07T08:54:38Z

MaciejBlizinski at 08:52, 7 May 2006

2006-05-07T08:52:09Z

New page

The [[expected mortality]] is an option of the [[quality of care report]].

[[Image:ExpectedMortalityExample.jpg|Expected mortality example calculation]]

[[Category:Terminology]]

@@ Line 46: / Line 46: @@
 *The expected mortality for the whole database and the actual mortality for the whole database are, by definition, equal. The <math>m_p</math> is calculated from the whole database.
-*The name ''expected mortality'' can be ambiguous. The mortality can be predicted by several ways. This method bases on the mortality-per-procedure estimation.
+*The name ''expected mortality'' can be ambiguous. The mortality can be predicted in several ways. This method bases on the mortality-per-procedure estimation.
 [[Category:Terminology]]

←Older revision		Revision as of 09:44, 14 May 2006
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	The expected mortality can be applied to the quality of care evaluation. The [[quality of care report]] has the expected mortality as an option for X-axis. To see how it works, go to the [[quality of care report]]		The expected mortality can be applied to the quality of care evaluation. The [[quality of care report]] has the expected mortality as an option for X-axis. To see how it works, go to the [[quality of care report]]
		+
		+	==Notes==
		+
		+	*The expected mortality for the whole database and the actual mortality for the whole database are, by definition, equal. The <math>m_p</math> is calculated from the whole database.
		+	*The name ''expected mortality'' can be ambiguous. The mortality can be predicted by several ways. This method bases on the mortality-per-procedure estimation.

	[[Category:Terminology]]		[[Category:Terminology]]

@@ Line 28: / Line 28: @@
 ==The formula==
-<math>E = \sum_{p \in P} \frac{N_p}{N} \times m_p </math>
+<math>E = \sum_{p \in P} \frac{N_p \cdot m_p}{N}</math>
 Where:
-*'''N''' stands for total number of patients
+*<math>N</math> stands for total number of patients
-*'''P''' stands for a set of procedures (currently about 150)
+*Capital <math>P</math> stands for the set of procedures (currently about 150)
-*'''p''' stands for a single procedure (from '''P''')
+*<math>p</math> stands for a single procedure (from <math>P</math>)
-*'''N<sub>p</sub>''' stands for number of patients who had procedure '''p'''
+*<math>N_p</math> stands for number of patients who had procedure <math>p</math>
-*'''m<sub>p</sub>''' stands for [[30-day mortality]] of procedure '''p'''
+*<math>m_p</math> stands for [[30-day mortality]] of procedure <math>p</math>
-*'''E''' stands for the expected mortality
+*<math>E</math> stands for the expected mortality
 ==Application==

@@ Line 10: / Line 10: @@
 Let's imagine two hospitals: ABC and DEF:
-*ABC performed “VSD repair, Patch” 100 times and didn't perform ASO (and no other procedures)
+*ABC performed “VSD repair, Patch” 100 times and didn't perform ASO (neither any other procedures)
 *DEF performed “VSD repair, Patch” 60 times and ASO 20 times (and no other procedures)

@@ Line 1: / Line 1: @@
-The [[expected mortality]] is an option of the [[quality of care report]].
+The expected mortality is an option of the [[quality of care report]], based on the mortalities of procedures performed.
 ==By example==
@@ Line 36: / Line 36: @@
 *'''p''' stands for a single procedure (from '''P''')
 *'''N<sub>p</sub>''' stands for number of patients who had procedure '''p'''
-*'''m<sub>p</sub>''' stands for mortality of procedure '''p'''
+*'''m<sub>p</sub>''' stands for [[30-day mortality]] of procedure '''p'''
 *'''E''' stands for the expected mortality
 [[Category:Terminology]]