Explain design and analysis of data of case control study in detail.

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08 Mar 2024

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Word Count : 342

Design and Analysis of Data in a Case-Control Study

Case-control studies are a type of observational study that investigates the association between an outcome (e.g., disease) and potential risk factors. They are particularly useful for rare diseases or when studying diseases with long latency periods. Below is a detailed explanation of the design and analysis of data in a case-control study:

1. Design Phase:
- Selection of Cases: Identify individuals with the outcome of interest (cases). These individuals should be diagnosed with the _________ ________ ______ _____ __________ ______ ____ ___ ____.
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Age Group (Years)	District A		District B
Age Group (Years)	Population	No. of Deaths	Population	No. of Deaths
0 - 5	55,300	385	51,165	805
5 –15	109,125	410	98,170	510
15-35	1,72,050	675	1,68,450	790
35-50	1,15,600	1625	1,40,625	990
50 & above	2,65,775	3288	2,40,900	2485

	$D^{+}$	$D^{-}$	Total
$T^{+}$	145	2000	2145
$T^{-}$	15	48000	48015
Total	160	50000	50160