Modified Rankin Scale score 0-2 at 90 days after treatment

{
  "resourceType" : "EvidenceVariable",
  "id" : "example-mRS0-2-at-90days",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n      \n      <p>\n        &quot;mRS 0-2 at 90 days&quot; is an outcome, defined by a CQL expression, used in expressing what an Evidence is about.\n      </p>\n\t\n    </div>"
  },
  "contained" : [{
    "resourceType" : "Group",
    "id" : "Definition-Group",
    "title" : "VariableDefinition: mRS 0-2 at 90 days",
    "type" : "person",
    "membership" : "definitional",
    "characteristic" : [{
      "code" : {
        "coding" : [{
          "system" : "http://snomed.info/sct",
          "code" : "260905004",
          "display" : "Condition"
        }]
      },
      "valueExpression" : {
        "description" : "mRS 0-2",
        "language" : "text/cql",
        "expression" : "[\"Observation\": code in \"75859-9|LOINC\"] mRS where mRS.value between 0 and 2"
      },
      "exclude" : false,
      "description" : "mRS 0-2 at 90 days",
      "timing" : [{
        "contextCode" : {
          "coding" : [{
            "system" : "http://hl7.org/fhir/evidence-variable-event",
            "code" : "study-start",
            "display" : "Study Start"
          }]
        },
        "offsetDuration" : {
          "value" : 90,
          "unit" : "days",
          "system" : "http://unitsofmeasure.org",
          "code" : "d"
        }
      }]
    }]
  }],
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "cds"
  }],
  "name" : "ModifiedRankinScaleScore02At90DaysAfterTreatment",
  "title" : "Modified Rankin Scale score 0-2 at 90 days after treatment",
  "status" : "draft",
  "publisher" : "HL7 International / Clinical Decision Support",
  "contact" : [{
    "telecom" : [{
      "system" : "url"
    }]
  }],
  "description" : "Modified Rankin Scale score 0-2 at 90 days after treatment",
  "actual" : true,
  "definition" : {
    "reference" : {
      "reference" : "#Definition-Group"
    }
  },
  "handling" : "dichotomous"
}