Details of Element: Sample 2
Component of Ogtt


Unique Name: sam2q3
Contained in the Common BLSA Data Set ? No

Data Points (as of 09/06/98) Males Females Total
Number of Data Points 1216 0 1216
Number of Distinct Participants 861 0 861
Year First Collected 1964 n/a -
Year Last Collected 1977 n/a -

Type of Variable: Absolute Measure
Encoding: Continuous
Units of Measure: mg/dL
Precision: ###.
Anticipated Range: 000. thru 999.
Masterfile Index: 121-02-04
Related Data Elements: none
Specific to this Data Element:
    Inclusion/Exclusion Rules: n/a
    Descriptive History: (none) **pi Dr. Reubin Andres **fc Every fouth or fifth visit. November 4, 1997

    Master File Documentation

    File Type: 121

    Card: 2

    Columns: 4-6

    Variable: Sample 2

    Clarification of data element descriptions:
    Sample 2 is a plasma glucose value. The sample is drawn 20 minutes after the start of the glucose ingestion.

    Descriptive history:
    The 121 file type contains data from the oral glucose tolerance test (OGTT). The oral glucose dose is 1.75g/kg of body weight. It consisted of a 25% solution flavored with lemon juice and is ingested in 5 minutes. The tests were performed between July 1964 and June 1977 in BLSA men.

    Data collection methodology:
    Blood chemistry.

    Related protocols:
    Other blood chemistries.

    Investigators:
    Dr. Reubin Andres (primary investigator)
    GRC Box-24
    andresr@grc.nia.nih.gov
    (410)-558-8194

    Frequency of data collection:
    Every fourth or fifth visit.

    Inclusion/exclusion rules:
    No subjects previously diagnosed with Diabetes Mellitus.

    Publications using these data:
Details for this Data Type


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