Table measuring risk, rate and odds ratio - Revision history

Bosmana fem at 14:46, 8 April 2023

2023-04-08T14:46:34Z

← Older revision		Revision as of 14:46, 8 April 2023
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	\|		\|
	[[File:7120.Page11 row3c2.gif-550x0.png\|200px\|frameless\|left]]		[[File:7120.Page11 row3c2.gif-550x0.png\|200px\|frameless\|left]]
	\| Traditional case control		\| Traditional case control (Exclusive)
	\| <br /> People disease free throughout study period		\| <br /> People disease free throughout study period
	\|}		\|}

			Where:
			Ce=Cases exposed
			Cu=Cases unexposed
			Ne=Population exposed
			Nu=Population unexposed
			PTe=Person-time exposed
			PTu=Person-time unexposed

	[[Category:Case-control studies]]		[[Category:Case-control studies]]

Bosmana fem at 14:38, 8 April 2023

2023-04-08T14:38:23Z

← Older revision		Revision as of 14:38, 8 April 2023
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	\| 3-Odds ratio		\| 3-Odds ratio
	\|		\|
			[[File:2450.Page11 row3c1.gif-550x0.png\|200px\|frameless\|left]]
	\|		\|
			[[File:7120.Page11 row3c2.gif-550x0.png\|200px\|frameless\|left]]
	\| Traditional case control		\| Traditional case control
	\| <br /> People disease free throughout study period		\| <br /> People disease free throughout study period

Bosmana fem at 14:37, 8 April 2023

2023-04-08T14:37:15Z

← Older revision		Revision as of 14:37, 8 April 2023
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	! Case Control Formulation		! Case Control Formulation
	! Design		! Design
	!		! Controls sampled from
	\|-		\|-
	\| 1-Risk ratio		\| 1-Risk ratio
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	[[File:8206.Page11 row1c2.gif-550x0.png\|200px\|frameless\|left]]		[[File:8206.Page11 row1c2.gif-550x0.png\|200px\|frameless\|left]]
	\| Case cohort		\| Case cohort
	\| ~~Controls sampled from~~		\| Total study population present at beginning of study
	\|-		\|-
	\| 2-Rate ratio<br /> <br /> (incidence density ratio)		\| 2-Rate ratio<br /> <br /> (incidence density ratio)

Bosmana fem at 14:35, 8 April 2023

2023-04-08T14:35:28Z

← Older revision		Revision as of 14:35, 8 April 2023
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	\| 2-Rate ratio<br /> <br /> (incidence density ratio)		\| 2-Rate ratio<br /> <br /> (incidence density ratio)
	\|		\|
			[[File:7380.Page11 row2c1.gif-550x0.png\|200px\|frameless\|left]]
	\|		\|
			[[File:8105.Page11 row2c2.gif-550x0.png\|200px\|frameless\|left]]
	\| Density case control		\| Density case control
	\| <br /> People at risk at time of case disease onset		\| <br /> People at risk at time of case disease onset

Bosmana fem at 14:33, 8 April 2023

2023-04-08T14:33:00Z

← Older revision		Revision as of 14:33, 8 April 2023
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	[[File:0121.Page11 row1c1.gif-550x0.png\|200px\|frameless]]		[[File:0121.Page11 row1c1.gif-550x0.png\|200px\|frameless]]
	\|		\|
			[[File:8206.Page11 row1c2.gif-550x0.png\|200px\|frameless\|left]]
	\| Case cohort		\| Case cohort
	\| Controls sampled from		\| Controls sampled from

Bosmana fem at 14:31, 8 April 2023

2023-04-08T14:31:57Z

← Older revision		Revision as of 14:31, 8 April 2023
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	\| 1-Risk ratio		\| 1-Risk ratio
	\|		\|
	[[File:0121.Page11 row1c1.gif-550x0.png\|~~400px~~]]		[[File:0121.Page11 row1c1.gif-550x0.png\|200px\|frameless]]
	\|		\|
	\| Case cohort		\| Case cohort

Bosmana fem at 14:31, 8 April 2023

2023-04-08T14:31:14Z

← Older revision		Revision as of 14:31, 8 April 2023
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	\| 1-Risk ratio		\| 1-Risk ratio
	\|		\|
			[[File:0121.Page11 row1c1.gif-550x0.png\|400px]]
	\|		\|
	\| Case cohort		\| Case cohort

Bosmana fem at 14:28, 8 April 2023

2023-04-08T14:28:13Z

← Older revision		Revision as of 14:28, 8 April 2023
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	{\| class="wikitable" style="vertical-align:bottom;"		{\| class="wikitable" style="vertical-align:bottom;"
	\|-		\|-
	! ~~rowspan="3" \|~~ Measure		! Measure
	! ~~rowspan="3" \|~~ Definition		! Definition
	! ~~rowspan="3" style="text-align:center;" \|~~ Case Control Formulation		! Case Control Formulation
	! ~~rowspan="3" \|~~ Design		! Design
	! ~~rowspan="3" \| Controls sampled from~~		!
	\|-		\|-
			\| 1-Risk ratio
	\|-		\|
			\|
	\|-
	~~\| style="vertical-align:middle;"~~ \| 1-Risk ratio
	\| ~~form1~~
	\| ~~form2~~
	\| Case cohort		\| Case cohort
	\| ~~Total study population present at the beginning of the study~~		\| Controls sampled from
	\|-
	~~\| rowspan="3" style="vertical-align:middle;" \| 2-Rate ratio (incidence density ratio)~~
	~~\| rowspan="3" \| form 3~~
	~~\| rowspan="3" \| dform4~~
	~~\| rowspan="3" \| Density case-control~~
	~~\| rowspan="3" \| People at risk at the time of case disease onset~~
	\|-

	\|-		\|-
			\| 2-Rate ratio<br /> <br /> (incidence density ratio)
			\|
			\|
			\| Density case control
			\| <br /> People at risk at time of case disease onset
	\|-		\|-
	~~\| style="vertical-align:middle;"~~ \| 3-Odds ratio		\| 3-Odds ratio
	\| ~~form5~~		\|
	\| ~~form6~~		\|
	\| Traditional case-control		\| Traditional case control
	\| People disease free throughout ~~the~~ study period		\| <br /> People disease free throughout study period
	\|}		\|}

	[[Category:Case-control studies]]		[[Category:Case-control studies]]

Bosmana fem at 08:44, 8 April 2023

2023-04-08T08:44:20Z

← Older revision		Revision as of 08:44, 8 April 2023
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			Cohort studies allow for directly measuring risk or rate of disease occurrence and their related ratio in subgroups of a population (exposed and unexposed). Case-control studies do not allow the measurement of risk or rates. They, however, allow the estimation of the risk ratio and the rate ratio. The selection of the control group is a crucial step of the study. The following table summarises the type of measures and control selection as described in the above chapter.

			Measuring risk, rate and odds ratios in a case-control study, using various sampling methods for controls (Source: Rodrigues L et al. Int J Epidemiol. 1990;19:205-13)

			{\| class="wikitable" style="vertical-align:bottom;"
			\|-
			! rowspan="3" \| Measure
			! rowspan="3" \| Definition
			! rowspan="3" style="text-align:center;" \| Case Control Formulation
			! rowspan="3" \| Design
			! rowspan="3" \| Controls sampled from
			\|-

			\|-

			\|-
			\| style="vertical-align:middle;" \| 1-Risk ratio
			\| form1
			\| form2
			\| Case cohort
			\| Total study population present at the beginning of the study
			\|-
			\| rowspan="3" style="vertical-align:middle;" \| 2-Rate ratio (incidence density ratio)
			\| rowspan="3" \| form 3
			\| rowspan="3" \| dform4
			\| rowspan="3" \| Density case-control
			\| rowspan="3" \| People at risk at the time of case disease onset
			\|-

			\|-

			\|-
			\| style="vertical-align:middle;" \| 3-Odds ratio
			\| form5
			\| form6
			\| Traditional case-control
			\| People disease free throughout the study period
			\|}

	[[Category:Case-control studies]]		[[Category:Case-control studies]]

Bosmana fem: Created page with " Category:Case-control studies"

2023-03-22T21:46:00Z

Created page with " Category:Case-control studies"

New page

[[Category:Case-control studies]]