<Linkage xmlns="http://hl7.org/fhir">
  <id value="linkage-example-confidence" />
  <active value="true" />
  <item>
    <extension url="http://fhir.health.gov.il/StructureDefinition/linkageConfidence">
      <extension url="score">
        <valueDecimal value="1.0" />
      </extension>
      <extension url="basis">
        <valueCodeableConcept>
          <text value="Exact national ID match" />
        </valueCodeableConcept>
      </extension>
      <extension url="note">
        <valueString value="Records share the same national identifier." />
      </extension>
    </extension>
    <type value="source" />
    <resource>
      <reference value="Patient/p1" />
    </resource>
  </item>
  <item>
    <extension url="http://fhir.health.gov.il/StructureDefinition/linkageConfidence">
      <extension url="score">
        <valueDecimal value="0.86" />
      </extension>
      <extension url="basis">
        <valueCodeableConcept>
          <text value="Probabilistic (name + DOB + phone)" />
        </valueCodeableConcept>
      </extension>
      <extension url="note">
        <valueString value="Matched via Fellegi–Sunter model v1.4." />
      </extension>
    </extension>
    <type value="alternate" />
    <resource>
      <reference value="Patient/p2" />
    </resource>
  </item>
</Linkage>