calc das28 esr derived

{
  "input": {
    "body": {
      "items": [
        {
          "gh": 0,
          "sjc28": 0,
          "tjc28": 0,
          "esr_mm_h": 10
        },
        {
          "gh": 0,
          "sjc28": 0,
          "tjc28": 0,
          "esr_mm_h": 10
        }
      ]
    },
    "type": "http",
    "method": "POST"
  },
  "output": {
    "type": "json",
    "example": {
      "path": "/api/calc/das28_esr",
      "count": 2,
      "items": [
        {
          "gh": 0,
          "score": 1.6118,
          "sjc28": 0,
          "tjc28": 0,
          "formula": "das28_esr",
          "citation": {
            "id": "prevoo-1995",
            "doi": "10.1002/art.1780380107",
            "pmid": "7818570",
            "title": "Modified disease activity scores that include twenty-eight-joint counts. Development and validation in a prospective longitudinal study of patients with rheumatoid arthritis",
            "source": "Arthritis Rheum. 1995;38(1):44-48",
            "authors": "Prevoo ML, van 't Hof MA, Kuper HH, van Leeuwen MA, van de Putte LB, van Riel PL"
          },
          "esr_mm_h": 10,
          "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
          "formula_expression": "DAS28-ESR = 0.56*sqrt(tjc28) + 0.28*sqrt(sjc28) + 0.70*ln(esr_mm_h) + 0.014*gh; Prevoo 1995; TJC28 and SJC28 integers 0-28; ESR mm/h strictly >0 (typical 1-150, natural log); GH 0-100 mm VAS (not 0-10 CDAI/SDAI); magent does not count joints or assay ESR; no EULAR 2.6/3.2/5.1 cutoffs"
        },
        {
          "gh": 0,
          "score": 1.6118,
          "sjc28": 0,
          "tjc28": 0,
          "formula": "das28_esr",
          "citation": {
            "id": "prevoo-1995",
            "doi": "10.1002/art.1780380107",
            "pmid": "7818570",
            "title": "Modified disease activity scores that include twenty-eight-joint counts. Development and validation in a prospective longitudinal study of patients with rheumatoid arthritis",
            "source": "Arthritis Rheum. 1995;38(1):44-48",
            "authors": "Prevoo ML, van 't Hof MA, Kuper HH, van Leeuwen MA, van de Putte LB, van Riel PL"
          },
          "esr_mm_h": 10,
          "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
          "formula_expression": "DAS28-ESR = 0.56*sqrt(tjc28) + 0.28*sqrt(sjc28) + 0.70*ln(esr_mm_h) + 0.014*gh; Prevoo 1995; TJC28 and SJC28 integers 0-28; ESR mm/h strictly >0 (typical 1-150, natural log); GH 0-100 mm VAS (not 0-10 CDAI/SDAI); magent does not count joints or assay ESR; no EULAR 2.6/3.2/5.1 cutoffs"
        }
      ]
    }
  }
}