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- PARCATy/PARAM/PARAMCD
- Include PARCAT1 in ADQRS datasets in case multiple instruments are subsequently combined into a single dataset. PARCAT1 contains the name of the instrument, and may come from QS.QSCAT.
- PARCAT2 is allowed if needed, and should contain the subscale name (may come from QS.QSSCAT, but is driven by analysis/reporting needs).
- Bring QSTEST and QSTESTCD directly into PARAM and PARAMCD, respectively, for maximum traceability back to QS.
- Create new PARAM/PARAMCD values for subscale and total scores, and where items from different SDTM versions are combined for analysis purposes, such as CHART-SF, where the paper and interview versions are summarized together. Submit requests for new PARAM/PARAMCD values to the QRS CT group.
- When creating PARAMCD values for subscale scores, keep the SDTM QSTESTCD value, and abbreviate any published subscale codes. Select values for PARCATy and PARAMCD such that the items are grouped in a logical order.
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