Details of Element: Contra Ara, 1000 Hz, Left Ear
Component of Acoustic Immittance - Virtual Equipment

Unique Name: ca1hl0
Contained in the Common BLSA Data Set ? No

Data Points (as of 09/06/98) Males Females Total
Number of Data Points 225 230 455
Number of Distinct Participants 198 209 407
Year First Collected 1991 1991 -
Year Last Collected 1995 1996 -

Type of Variable: Absolute Measure
Encoding: Discrete
    Value Meaning
    0 No
    1 Yes
    2 Could Not Test
Precision: #.
Anticipated Range: 0. thru 2.
Masterfile Index: 604-02-04
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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