Details of Element: Overt Responses and Symptoms.
Component of Clamp

Unique Name: ovrea12
Contained in the Common BLSA Data Set ? No

Data Points (as of 09/06/98) Males Females Total
Number of Data Points 2 0 2
Number of Distinct Participants 2 0 2
Year First Collected 1977 n/a -
Year Last Collected 1981 n/a -

Type of Variable: Absolute Measure
Encoding: Discrete
    Value Meaning
    1 Overt sympathetic response to venipuncture, early in test
    2 Same as 1, late in test
    3 Overt Sx incl. sig. pain during infusion
    4 Overt Sx w/ venipuncture (no signs), but w/ subsidence of Sx
    5 Vaso-vagal syncope post test
    6 Overt Sx in response to venipuncture, no test done
    7 Overt Sx in response to venipuncture, no signs, delay or evidence in results
Precision: #.
Anticipated Range: 1. thru 7.
Masterfile Index: 128-01-34
Related Data Elements: none
Specific to this Data Element:
    Inclusion/Exclusion Rules: n/a
    Descriptive History: (none)
Details for this Data Type
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Revised 09/18/98 -- Send comments to our Web Master .