atlas-preview.ohdsi.org

{
  "type": "object",
  "properties": {
    "strategy": {
      "type": "string",
      "enum": [
        "end_of_observation",
        "fixed_duration",
        "continuous_drug"
      ]
    },
    "offset": {
      "type": "number",
      "description": "Days offset (for fixed_duration and continuous_drug)"
    },
    "dateField": {
      "type": "string",
      "enum": [
        "START_DATE",
        "END_DATE"
      ],
      "description": "Anchor for offset"
    },
    "persistenceWindow": {
      "type": "number",
      "description": "Gap days between exposures for continuous_drug"
    },
    "surveillanceWindow": {
      "type": "number",
      "description": "Trailing days after final exposure for continuous_drug"
    },
    "concept": {
      "type": "object",
      "properties": {
        "conceptId": {
          "type": "number"
        },
        "conceptName": {
          "type": "string"
        },
        "domain": {
          "type": "string",
          "enum": [
            "Condition",
            "Drug",
            "Procedure",
            "Measurement",
            "Observation",
            "Visit",
            "Device",
            "Specimen"
          ]
        },
        "includeDescendants": {
          "type": "boolean"
        },
        "isExcluded": {
          "type": "boolean",
          "description": "Optional exclusion flag for concept-set items"
        }
      },
      "required": [
        "conceptId",
        "conceptName",
        "domain"
      ],
      "description": "Drug concept whose exposure eras define the exit (for continuous_drug)"
    }
  },
  "required": [
    "strategy"
  ]
}