An official website of the United States government
Login Change: CDAS is now using the NIH Researcher Auth Service (RAS) to manage our existing login options. When logging into CDAS, you will be taken to RAS, where you can select your preferred login provider to access CDAS.
This warning banner provides privacy and security notices consistent with applicable federal laws, directives, and other federal guidance for accessing this Government system, which includes (1) this computer network, (2) all computers connected to this network, and (3) all devices and storage media attached to this network or to a computer on this network.
This system is provided for Government-authorized use only.
Unauthorized or improper use of this system is prohibited and may result in disciplinary action and/or civil and criminal penalties.
Personal use of social media and networking sites on this system is limited as to not interfere with official work duties and is subject to monitoring.
By using this system, you understand and consent to the following:
The Government may monitor, record, and audit your system usage, including usage of personal devices and email systems for official duties or to conduct HHS business. Therefore, you have no reasonable expectation of privacy regarding any communication or data transiting or stored on this system. At any time, and for any lawful Government purpose, the government may monitor, intercept, and search and seize any communication or data transiting or stored on this system.
Any communication or data transiting or stored on this system may be disclosed or used for any lawful Government purpose.
No Reports of Any Cancer During Trial (other than breast for cases)
In 2005-007 Genotype Population
With Unchanged Case Definition
Extracted DNA Available or T0 Buffy Coat
Pre-Exit Extracted DNA/T0 Buffy Coat
Pre-Exit Extracted DNA/T0 Buffy Coat 1+ Years Pre-Dx (Cases)
Cases Limited to Target Group
Matching Factors:
Age at Randomization (5 year intervals)
Fiscal Year of Randomization (<=1997, >1997)
DNA Material Type (Source/Extracted)
Study Year of Blood Draw
Match Ratio: 1:1
Match Technique: Frequency matching only non-cases as controls.
Additional Matching Comments: Most distal extracted DNA was taken for cases, if available. T0 buffy coat was taken for the remaining cases.
Analytes:
2'-deoxyguanine concentration
5-methyl-22-deoxycytidine concentration
5-methyl-22-deoxycytidine to 2'-deoxyguanine percent
5-methyl-22-deoxycytidine to 2'-deoxyguanine ratio
Average 2'-deoxyguanine concentration
Average 5-methyl-22-deoxycytidine
Average 5-methyl-22-deoxycytidine to 2'-deoxyguanine percent
Number of Cases: 430
Number of Controls: 426
The following datasets contain the data available for 2009-0553. The description and documentation for each file is listed below. SAS7bdat and CSV versions of the actual data will be available to CDAS projects approved to use this data.
