{
  "data": {
    "__count": 1,
    "__licence": {
      "identifier": "CC-BY-4.0",
      "link": "https://creativecommons.org/licenses/by/4.0",
      "name": "Creative Commons Attribution 4.0 International"
    },
    "results": {
      "Date": "2026-06-23 07:57:58",
      "DisorderGroup": "Disorder",
      "ORPHAcode": 337,
      "OrphanetURL": "http://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=en&Expert=337",
      "Preferred term": "Fibrodysplasia ossificans progressiva",
      "Prevalence": [
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Worldwide",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Point prevalence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "22133093[PMID]_[EXPERT]",
          "ValMoy": "0.05"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "United Kingdom",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Point prevalence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "7069743[PMID]",
          "ValMoy": "0.061"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Spain",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Prevalence at birth",
          "PrevalenceValidationStatus": "Validated",
          "Source": "22796417[PMID]",
          "ValMoy": "0.087"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Spain",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Point prevalence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "22796417[PMID]",
          "ValMoy": "0.036"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "Europe",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Point prevalence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "ORPHANET_22796417[PMID]_28666455[PMID]_7069743[PMID]",
          "ValMoy": "0.078"
        },
        {
          "PrevalenceClass": "1-9 / 1 000 000",
          "PrevalenceGeographic": "France",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Point prevalence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "28666455[PMID]",
          "ValMoy": "0.136"
        },
        {
          "PrevalenceClass": "<1 / 1 000 000",
          "PrevalenceGeographic": "United States",
          "PrevalenceQualification": "Value and class",
          "PrevalenceType": "Point prevalence",
          "PrevalenceValidationStatus": "Validated",
          "Source": "34353327[PMID]",
          "ValMoy": "0.085"
        }
      ],
      "Typology": "Disease"
    }
  },
  "datasetCategory": {
    "lang": "en",
    "name": "Epidemiology of rare diseases"
  },
  "parameters": {
    "path": {
      "ORPHAcode": 337
    },
    "query": {}
  },
  "uri": "https://api.orphadata.com/rd-epidemiology/orphacodes/337"
}