calc asas peripheral spa derived

{
  "input": {
    "body": {
      "items": [
        {
          "ibd": false,
          "hla_b27": false,
          "uveitis": false,
          "ibp_past": false,
          "arthritis": true,
          "psoriasis": true,
          "dactylitis": false,
          "enthesitis": false,
          "family_history_spa": false,
          "preceding_infection": false,
          "sacroiliitis_on_imaging": false
        },
        {
          "ibd": false,
          "hla_b27": false,
          "uveitis": false,
          "ibp_past": false,
          "arthritis": true,
          "psoriasis": true,
          "dactylitis": false,
          "enthesitis": false,
          "family_history_spa": false,
          "preceding_infection": false,
          "sacroiliitis_on_imaging": false
        }
      ]
    },
    "type": "http",
    "method": "POST"
  },
  "output": {
    "type": "json",
    "example": {
      "path": "/api/calc/asas_peripheral_spa",
      "count": 2,
      "items": [
        {
          "arm_a": true,
          "arm_b": false,
          "formula": "asas_peripheral_spa",
          "citation": {
            "id": "rudwaleit-2011",
            "doi": "10.1136/ard.2010.133645",
            "pmid": "21109520",
            "title": "The Assessment of SpondyloArthritis international Society classification criteria for peripheral spondyloarthritis and for spondyloarthritis in general",
            "source": "Ann Rheum Dis. 2011;70(1):25-31",
            "authors": "Rudwaleit M, van der Heijde D, Landewé R, Akkoc N, Brandt J, Chou CT, Dougados M, Huang F, Gu J, Kirazli Y, Van den Bosch F, Olivieri I, Roussou E, Scarpato S, Sørensen IJ, Valle-Oñate R, Weber U, Wei J, Sieper J"
          },
          "classified": true,
          "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.",
          "arm_a_count": 1,
          "arm_b_count": 1,
          "formula_expression": "ASAS 2011 peripheral SpA classification (Rudwaleit set 2D / fig 1 + table 5): required arthritis or enthesitis or dactylitis (current). arm_a iff ≥1 of psoriasis, ibd, preceding_infection, hla_b27, uveitis, sacroiliitis_on_imaging. arm_b iff ≥2 of arthritis, enthesitis, dactylitis, ibp_past, family_history_spa (same caller flags as entry for arthritis/enthesitis/dactylitis). classified iff entry and (arm_a or arm_b). Not a diagnosis. Not ASAS 2009 axial. Not ESSG/Amor"
        },
        {
          "arm_a": true,
          "arm_b": false,
          "formula": "asas_peripheral_spa",
          "citation": {
            "id": "rudwaleit-2011",
            "doi": "10.1136/ard.2010.133645",
            "pmid": "21109520",
            "title": "The Assessment of SpondyloArthritis international Society classification criteria for peripheral spondyloarthritis and for spondyloarthritis in general",
            "source": "Ann Rheum Dis. 2011;70(1):25-31",
            "authors": "Rudwaleit M, van der Heijde D, Landewé R, Akkoc N, Brandt J, Chou CT, Dougados M, Huang F, Gu J, Kirazli Y, Van den Bosch F, Olivieri I, Roussou E, Scarpato S, Sørensen IJ, Valle-Oñate R, Weber U, Wei J, Sieper J"
          },
          "classified": true,
          "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.",
          "arm_a_count": 1,
          "arm_b_count": 1,
          "formula_expression": "ASAS 2011 peripheral SpA classification (Rudwaleit set 2D / fig 1 + table 5): required arthritis or enthesitis or dactylitis (current). arm_a iff ≥1 of psoriasis, ibd, preceding_infection, hla_b27, uveitis, sacroiliitis_on_imaging. arm_b iff ≥2 of arthritis, enthesitis, dactylitis, ibp_past, family_history_spa (same caller flags as entry for arthritis/enthesitis/dactylitis). classified iff entry and (arm_a or arm_b). Not a diagnosis. Not ASAS 2009 axial. Not ESSG/Amor"
        }
      ]
    }
  }
}