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1. The original scores include a numeric rating (0-2, 0-3, or 0-4) and a definition of what is represented by the rating (e.g., 0 = "Absent.", 4 = "Incapacitating."). For the HAMD 17, RSORRES is populated with the text description while the numeric rating is represented in the standardized character and numeric result variables RSSTRESC and RSSTRESN.

2. The time period of evaluation for the HAMD 17 is populated in the RSEVLINT variable in ISO 8601 format when the evaluation interval can be precisely described as duration. The evaluation interval for the HAMD 17 is determined based on the sponsor's stated evaluation interval.

3. Records are created in rs.xpt for every instrument item: 

   1. For items with no data, RSORRES, RSSTRESC, and RSSTRESN are all missing and RSSTAT = "NOT DONE". If the reason is known then that reason is represented in RSREASND (e.g., RSREASND = "PREFER NOT TO ANSWER"). If the reason is unknown, then RSSTAT = "NOT DONE" and RSREASND is missing.

   2. Due to the variability of copyright holder and public domain derived subscore and overall score generation processes, records are not included for derived subscores or overall scores that are not provided.

4. Some items on the HAMD 17  may be conditionally branched per the instrument instructions. Item 16 contains 2 components: Part A, which is loss of weight according to the patient, and Part B, which is loss of weight according to weekly measurements. Only 1 of these items is answered when administering the HAMD 17 instrument

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   . A record is created in rs.xpt for all items. The unanswered component is considered as a logically skipped item in the data and is represented as follows:.
   1. QNAM = “RSCBRFL”, QLABEL = “Conditional Branched Item Flag“, QVAL = “Y” (this is a RS supplemental qualifier variable related to the record).

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   2. RSORRES, RSSTRESC, and RSSTRESN are set to null (missmissing).

5. The HAMD 17 instrument includes an overall score that is considered as captured data on the CRF and is not considered as derived in the example below. This overall score may be submitted in SDTM or derived in the Analysis Data Model (ADaM) per scoring instructions from the refwrence articles.

   1. Subscores and overall scores are represented in--ORRES, --STRESC, and --STRESN.

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   2. If subscores or overall scores are received or derived by the sponsor, it is recommended that they are submitted to SDTM and verified in ADaM whenever feasible. It is the sponsors repsonsibility to do this verification based on the instrument's user manual or instructions from the copyright owner.

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6. Terminology

   1. RSCAT, RSTESTCD, and RSTEST values are included in CDISC Controlled Terminology.

   2. A full list of value sets for the result fields is provided in Section 4, SDTM Mapping Strategy.

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