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6,619 items of data are available, covering 6,619 participants.
Some values have special meanings defined by Data-Coding 3017
Units of measurement are years.
- There are 64 distinct values.
- Mean = 2008.83
- Std.dev = 11.2315
- 60 items below graph minimum of 1968
- 12 items have value -818 (Prefer not to answer)
- 163 items have value -121 (Do not know)
Question asked: When was this surgery performed?
Only asked if Field 120005 was answered yes
Coding 3017 defines 2 special values:
- -818 represents "Prefer not to answer"
- -121 represents "Do not know"
0 Related Data-FieldsThere are no related data-fields
There are no tabulations involving field 120006.
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