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  1. QDM Issue Tracker
  2. QDM-69

Review Relationship Operators Supported in MAT for Applicability

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    • Icon: Enhancement Enhancement
    • Resolution: Delivered
    • Icon: Minor Minor
    • QDM v4.1.1
    • Operator Logic
    • None

      The MAT currently supports a set of general relationship operators that were never defined in any QDM specification. In addition, these operators are not currently used by any published MU-2 measures.

      The following table describes the operator and the definition from the MAT User Guide (apologies for less-than-optimal formatting in Jira):

      Relationship Code Definition
      authorized by AUTH 'A' is authorized or certified by 'B'

      This relationship is provided to allow a measure developer to specify that a patient has provided consent.
      causes CAUS 'A' caused 'B'

      An assertion that an act was the cause of another act.

      Examples:
      • a growth of Staphylococcus aureus may be considered the cause of an abscess
      • contamination of the infusion bag was deemed to be the cause of the infection that the patient experienced
      • lack of staff on the shift was deemed to be a supporting factor (proximal factor) causing the patient safety incident where the patient fell out of bed because the bed-sides had not been put up which caused the night patient to fall out of bed
      is derived from DRIV 'A' is derived from 'B'

      This relationship is provided to allow a measure developer to be able to indicate a value that is calculated from other values.

      An anion-gap observation can be associated as being derived from given sodium-, (potassium-,), chloride-, and bicarbonate- observations.
      has goal GOAL 'A' has goal of 'B'

      A goal that one defines given a patient’s health condition. Subsequently planned actions aim to meet that goal. 'A' is an observation, while 'B' must be an observation in goal mood.
      has outcome OUTC 'A' has outcome of 'B'

      An observation that should follow or does actually follow as a result or consequence of a condition or action (sometimes called “post- conditional”.)

      Example:

      The outcome of a diagnostic study was ‘x’ diagnosis

      The QDM Management Team suspects that some of the above relationships may not be applicable in the context of QDM and the existing QDM datatypes. The QDM User Group should discuss the applicability of each of these.

            chris.moesel Chris Moesel (Inactive)
            chris.moesel Chris Moesel (Inactive)
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