SETscore tracheostomy need

SETscore

Sum the fifteen Schönenberger 2016 SETscore items from caller-assigned flags and return whether the total is elevated (score ≥ 8).

LIVE $0.005 USDC GET /api/calc/setscore

Markdown: /docs/setscore.md · Canonical: https://magentlab.com/docs/setscore

Not a medical device. Not a diagnosis, dose, or listing recommendation.

What it computes

Sum the fifteen Schönenberger 2016 SETscore items from caller-assigned flags and return whether the total is elevated (score ≥ 8).

When to use

When an agent already has the fifteen Schönenberger 2016 Table 1 items assigned as present or absent and needs the published 0–48 total and the 2016 ROC cut-off of 8, not a tracheostomy order, NIHSS total, APACHE II computation, or SETPOINT2 enrollment threshold.

When not to use

Not a medical device. Not a tracheostomy order, timing decision, or airway procedure. magent does not examine the patient, read imaging, or compute APACHE II, lung injury score, or PaO2/FiO2.
Each of the 15 items is a caller-assigned boolean from Schönenberger 2016 Table 1. magent does not invent extra weights or probabilities.
elevated and setscore_ge_8 are true iff score ≥ 8, the 2016 ROC cut-off for prolonged NICU stay, ventilation time, and tracheostomy need. This is not the SETPOINT2 enrollment threshold of >10 and not NIHSS.

Formula

SETscore = 4*dysphagia + 3*observed_aspiration + 3*gcs_lt_10 + 4*brainstem_lesion + 3*space_occupying_cerebellar + 4*mca_infarct_gt_two_thirds + 4*ich_volume_gt_25_ml + 3*diffuse_lesion + 4*hydrocephalus + 2*neurosurgical_intervention + 3*additional_respiratory_disease + 2*pao2_fio2_lt_150 + 4*apache_ii_gt_20 + 2*lung_injury_score_gt_1 + 3*sepsis; max 48; elevated / setscore_ge_8 iff score >= 8 (Schönenberger 2016)

Citation

Title: The SETscore to Predict Tracheostomy Need in Cerebrovascular Neurocritical Care Patients
Authors: Schönenberger S, Al-Suwaidan F, Kieser M, Uhlmann L, Bösel J
Source: Neurocrit Care. 2016;25(1):94-104
DOI: 10.1007/s12028-015-0235-5

Worked example

All fifteen flags false

Given: additional_respiratory_disease=falseapache_ii_gt_20=falsebrainstem_lesion=falsediffuse_lesion=falsedysphagia=falsegcs_lt_10=falsehydrocephalus=falseich_volume_gt_25_ml=falselung_injury_score_gt_1=falsemca_infarct_gt_two_thirds=falseneurosurgical_intervention=falseobserved_aspiration=falsepao2_fio2_lt_150=falsesepsis=falsespace_occupying_cerebellar=false

All 15 Schönenberger 2016 Table 1 flags false → 0 each
Score = 0 (max 48); elevated and setscore_ge_8 are false because score < 8

Dysphagia and ICH volume >25 mL (cut-off 8)

Given: additional_respiratory_disease=falseapache_ii_gt_20=falsebrainstem_lesion=falsediffuse_lesion=falsedysphagia=truegcs_lt_10=falsehydrocephalus=falseich_volume_gt_25_ml=truelung_injury_score_gt_1=falsemca_infarct_gt_two_thirds=falseneurosurgical_intervention=falseobserved_aspiration=falsepao2_fio2_lt_150=falsesepsis=falsespace_occupying_cerebellar=false

dysphagia true → +4; ich_volume_gt_25_ml true → +4; remaining flags false → 0
Score = 8 (max 48); elevated and setscore_ge_8 are true because score >= 8

Dysphagia and space-occupying cerebellar lesion (below cut-off)

Given: additional_respiratory_disease=falseapache_ii_gt_20=falsebrainstem_lesion=falsediffuse_lesion=falsedysphagia=truegcs_lt_10=falsehydrocephalus=falseich_volume_gt_25_ml=falselung_injury_score_gt_1=falsemca_infarct_gt_two_thirds=falseneurosurgical_intervention=falseobserved_aspiration=falsepao2_fio2_lt_150=falsesepsis=falsespace_occupying_cerebellar=true

dysphagia true → +4; space_occupying_cerebellar true → +3; remaining flags false → 0
Score = 7 (max 48); elevated and setscore_ge_8 are false because score < 8

Also searched as

SETscore
stroke-related early tracheostomy score
SET score tracheostomy
Schönenberger tracheostomy score
cerebrovascular tracheostomy score
neurocritical tracheostomy prediction
early tracheostomy stroke score
NICU tracheostomy SETscore

Try

Opens the live endpoint. Unpaid browser requests show the paywall; agents should send Accept: application/json.

/api/calc/setscore?dysphagia=false&observed_aspiration=false&gcs_lt_10=false&brainstem_lesion=false&space_occupying_cerebellar=false&mca_infarct_gt_two_thirds=false&ich_volume_gt_25_ml=false&diffuse_lesion=false&hydrocephalus=false&neurosurgical_intervention=false&additional_respiratory_disease=false&pao2_fio2_lt_150=false&apache_ii_gt_20=false&lung_injury_score_gt_1=false&sepsis=false

Full URL: https://api.magentlab.com/api/calc/setscore?dysphagia=false&observed_aspiration=false&gcs_lt_10=false&brainstem_lesion=false&space_occupying_cerebellar=false&mca_infarct_gt_two_thirds=false&ich_volume_gt_25_ml=false&diffuse_lesion=false&hydrocephalus=false&neurosurgical_intervention=false&additional_respiratory_disease=false&pao2_fio2_lt_150=false&apache_ii_gt_20=false&lung_injury_score_gt_1=false&sepsis=false

Call

Expect HTTP 402 until you retry with PAYMENT-SIGNATURE. Incomplete query params return HTTP 400 before any quote or charge.

curl -i -H "Accept: application/json" "https://api.magentlab.com/api/calc/setscore?dysphagia=false&observed_aspiration=false&gcs_lt_10=false&brainstem_lesion=false&space_occupying_cerebellar=false&mca_infarct_gt_two_thirds=false&ich_volume_gt_25_ml=false&diffuse_lesion=false&hydrocephalus=false&neurosurgical_intervention=false&additional_respiratory_disease=false&pao2_fio2_lt_150=false&apache_ii_gt_20=false&lung_injury_score_gt_1=false&sepsis=false"

Parameters

Name	Type	Required	Description
`dysphagia`	boolean	required	Dysphagia (Schönenberger 2016 Table 1, +4 if true). true or false as assigned by the caller. magent does not examine swallow.
`observed_aspiration`	boolean	required	Observed aspiration (Schönenberger 2016 Table 1, +3 if true). true or false as assigned by the caller. magent does not examine the patient.
`gcs_lt_10`	boolean	required	GCS on admission <10 (Schönenberger 2016 Table 1, +3 if true). true or false as assigned by the caller. magent does not compute GCS.
`brainstem_lesion`	boolean	required	Brainstem lesion (Schönenberger 2016 Table 1, +4 if true). true or false as assigned by the caller. magent does not read imaging.
`space_occupying_cerebellar`	boolean	required	Space-occupying cerebellar lesion (Schönenberger 2016 Table 1, +3 if true). true or false as assigned by the caller. magent does not read imaging.
`mca_infarct_gt_two_thirds`	boolean	required	Ischemic infarct >2/3 MCA territory (Schönenberger 2016 Table 1, +4 if true). true or false as assigned by the caller. magent does not read imaging.
`ich_volume_gt_25_ml`	boolean	required	ICH volume >25 mL (Schönenberger 2016 Table 1, +4 if true). true or false as assigned by the caller. magent does not measure hematoma volume.
`diffuse_lesion`	boolean	required	Diffuse lesion (Schönenberger 2016 Table 1, +3 if true). true or false as assigned by the caller. magent does not read imaging.
`hydrocephalus`	boolean	required	Hydrocephalus (Schönenberger 2016 Table 1, +4 if true). true or false as assigned by the caller. magent does not read imaging.
`neurosurgical_intervention`	boolean	required	(Neuro)surgical intervention (Schönenberger 2016 Table 1, +2 if true). true or false as assigned by the caller. magent does not record procedures.
`additional_respiratory_disease`	boolean	required	Additional respiratory disease (Schönenberger 2016 Table 1, +3 if true). true or false as assigned by the caller. magent does not diagnose lung disease.
`pao2_fio2_lt_150`	boolean	required	PaO2/FiO2 <150 (Schönenberger 2016 Table 1, +2 if true). true or false as assigned by the caller. magent does not compute the P/F ratio.
`apache_ii_gt_20`	boolean	required	APACHE II acute physiology score >20 (Schönenberger 2016 Table 1, +4 if true). true or false as assigned by the caller. magent does not compute APACHE II.
`lung_injury_score_gt_1`	boolean	required	Lung injury score >1 (Schönenberger 2016 Table 1, +2 if true). true or false as assigned by the caller. magent does not compute LIS.
`sepsis`	boolean	required	Sepsis (Schönenberger 2016 Table 1, +3 if true). true or false as assigned by the caller. magent does not diagnose sepsis.

Bulk (POST)

POST the same path with a JSON items array. The first item is the GET unit; each additional item is $0.002. Invalid items return HTTP 400 before settlement.

POST /api/calc/setscore Max 25 unit_amount + extra_item_amount * (n - 1) extra $0.002 PREVIEW

1 to 25 items. Each item uses the same keys as the GET query parameters.
POST of 1 item costs the same as GET. Lists longer than 25: chunk into multiple POSTs. Extra items still execute; do not pad dummy rows.
The first invalid item fails the whole request (index in the 400 JSON). You are not charged.
HTTP 200 is {count, path, items}. Each items[i] is the GET 200 body for that row.
Catalog misses (empty matches, found=false) stay paid 200s inside that slot.
x402 resource URL is this path plus n and body_sha256. Browsers that prefer text/html get the same paywall as GET; Pay retries POST with the same items.

Example request (fixture)

{
  "items": [
    {
      "additional_respiratory_disease": "false",
      "apache_ii_gt_20": "false",
      "brainstem_lesion": "false",
      "diffuse_lesion": "false",
      "dysphagia": "false",
      "gcs_lt_10": "false",
      "hydrocephalus": "false",
      "ich_volume_gt_25_ml": "false",
      "lung_injury_score_gt_1": "false",
      "mca_infarct_gt_two_thirds": "false",
      "neurosurgical_intervention": "false",
      "observed_aspiration": "false",
      "pao2_fio2_lt_150": "false",
      "sepsis": "false",
      "space_occupying_cerebellar": "false"
    },
    {
      "additional_respiratory_disease": "false",
      "apache_ii_gt_20": "false",
      "brainstem_lesion": "false",
      "diffuse_lesion": "false",
      "dysphagia": "false",
      "gcs_lt_10": "false",
      "hydrocephalus": "false",
      "ich_volume_gt_25_ml": "false",
      "lung_injury_score_gt_1": "false",
      "mca_infarct_gt_two_thirds": "false",
      "neurosurgical_intervention": "false",
      "observed_aspiration": "false",
      "pao2_fio2_lt_150": "false",
      "sepsis": "false",
      "space_occupying_cerebellar": "false"
    }
  ]
}

Open bulk paywall →

Opens a two-item fixture on the API host. Unpaid browsers get the same MetaMask paywall as GET; Pay retries POST with those items.

Example 200 (fixture)

{
  "count": 2,
  "path": "/api/calc/setscore",
  "items": [
    {
      "components": [
        {
          "factor": "dysphagia",
          "points": 0,
          "present": false
        },
        {
          "factor": "observed_aspiration",
          "points": 0,
          "present": false
        },
        {
          "factor": "gcs_lt_10",
          "points": 0,
          "present": false
        },
        {
          "factor": "brainstem_lesion",
          "points": 0,
          "present": false
        },
        {
          "factor": "space_occupying_cerebellar",
          "points": 0,
          "present": false
        },
        {
          "factor": "mca_infarct_gt_two_thirds",
          "points": 0,
          "present": false
        },
        {
          "factor": "ich_volume_gt_25_ml",
          "points": 0,
          "present": false
        },
        {
          "factor": "diffuse_lesion",
          "points": 0,
          "present": false
        },
        {
          "factor": "hydrocephalus",
          "points": 0,
          "present": false
        },
        {
          "factor": "neurosurgical_intervention",
          "points": 0,
          "present": false
        },
        {
          "factor": "additional_respiratory_disease",
          "points": 0,
          "present": false
        },
        {
          "factor": "pao2_fio2_lt_150",
          "points": 0,
          "present": false
        },
        {
          "factor": "apache_ii_gt_20",
          "points": 0,
          "present": false
        },
        {
          "factor": "lung_injury_score_gt_1",
          "points": 0,
          "present": false
        },
        {
          "factor": "sepsis",
          "points": 0,
          "present": false
        }
      ],
      "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.",
      "citation": {
        "authors": "Schönenberger S, Al-Suwaidan F, Kieser M, Uhlmann L, Bösel J",
        "doi": "10.1007/s12028-015-0235-5",
        "id": "schoenenberger-2016",
        "pmid": "26842719",
        "source": "Neurocrit Care. 2016;25(1):94-104",
        "title": "The SETscore to Predict Tracheostomy Need in Cerebrovascular Neurocritical Care Patients"
      },
      "formula": "setscore",
      "formula_expression": "SETscore = 4*dysphagia + 3*observed_aspiration + 3*gcs_lt_10 + 4*brainstem_lesion + 3*space_occupying_cerebellar + 4*mca_infarct_gt_two_thirds + 4*ich_volume_gt_25_ml + 3*diffuse_lesion + 4*hydrocephalus + 2*neurosurgical_intervention + 3*additional_respiratory_disease + 2*pao2_fio2_lt_150 + 4*apache_ii_gt_20 + 2*lung_injury_score_gt_1 + 3*sepsis; max 48; elevated / setscore_ge_8 iff score >= 8 (Schönenberger 2016)",
      "max_score": 48,
      "score": 0,
      "elevated": false,
      "setscore_ge_8": false
    },
    {
      "components": [
        {
          "factor": "dysphagia",
          "points": 0,
          "present": false
        },
        {
          "factor": "observed_aspiration",
          "points": 0,
          "present": false
        },
        {
          "factor": "gcs_lt_10",
          "points": 0,
          "present": false
        },
        {
          "factor": "brainstem_lesion",
          "points": 0,
          "present": false
        },
        {
          "factor": "space_occupying_cerebellar",
          "points": 0,
          "present": false
        },
        {
          "factor": "mca_infarct_gt_two_thirds",
          "points": 0,
          "present": false
        },
        {
          "factor": "ich_volume_gt_25_ml",
          "points": 0,
          "present": false
        },
        {
          "factor": "diffuse_lesion",
          "points": 0,
          "present": false
        },
        {
          "factor": "hydrocephalus",
          "points": 0,
          "present": false
        },
        {
          "factor": "neurosurgical_intervention",
          "points": 0,
          "present": false
        },
        {
          "factor": "additional_respiratory_disease",
          "points": 0,
          "present": false
        },
        {
          "factor": "pao2_fio2_lt_150",
          "points": 0,
          "present": false
        },
        {
          "factor": "apache_ii_gt_20",
          "points": 0,
          "present": false
        },
        {
          "factor": "lung_injury_score_gt_1",
          "points": 0,
          "present": false
        },
        {
          "factor": "sepsis",
          "points": 0,
          "present": false
        }
      ],
      "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.",
      "citation": {
        "authors": "Schönenberger S, Al-Suwaidan F, Kieser M, Uhlmann L, Bösel J",
        "doi": "10.1007/s12028-015-0235-5",
        "id": "schoenenberger-2016",
        "pmid": "26842719",
        "source": "Neurocrit Care. 2016;25(1):94-104",
        "title": "The SETscore to Predict Tracheostomy Need in Cerebrovascular Neurocritical Care Patients"
      },
      "formula": "setscore",
      "formula_expression": "SETscore = 4*dysphagia + 3*observed_aspiration + 3*gcs_lt_10 + 4*brainstem_lesion + 3*space_occupying_cerebellar + 4*mca_infarct_gt_two_thirds + 4*ich_volume_gt_25_ml + 3*diffuse_lesion + 4*hydrocephalus + 2*neurosurgical_intervention + 3*additional_respiratory_disease + 2*pao2_fio2_lt_150 + 4*apache_ii_gt_20 + 2*lung_injury_score_gt_1 + 3*sepsis; max 48; elevated / setscore_ge_8 iff score >= 8 (Schönenberger 2016)",
      "max_score": 48,
      "score": 0,
      "elevated": false,
      "setscore_ge_8": false
    }
  ]
}

Response

Field	Type	Description
`formula`	string	setscore
`formula_expression`	string	Exact expression used
`score`	integer	SETscore points 0-48 (Schönenberger 2016 Table 1)
`max_score`	integer	48
`elevated`	boolean	true iff score >= 8 (Schönenberger 2016 ROC cut-off). Not a tracheostomy order.
`setscore_ge_8`	boolean	true iff score >= 8 (Schönenberger 2016 ROC cut-off). Same as elevated. Not SETPOINT2 enrollment >10.
`components`	array	Per-item points
`citation`	object	Schönenberger et al. Neurocrit Care 2016 citation
`disclaimer`	string	Not-a-device notice

Example JSON

Machine form of the same example. Frozen fixture. Not a live lookup.

{
  "components": [
    {
      "factor": "dysphagia",
      "points": 0,
      "present": false
    },
    {
      "factor": "observed_aspiration",
      "points": 0,
      "present": false
    },
    {
      "factor": "gcs_lt_10",
      "points": 0,
      "present": false
    },
    {
      "factor": "brainstem_lesion",
      "points": 0,
      "present": false
    },
    {
      "factor": "space_occupying_cerebellar",
      "points": 0,
      "present": false
    },
    {
      "factor": "mca_infarct_gt_two_thirds",
      "points": 0,
      "present": false
    },
    {
      "factor": "ich_volume_gt_25_ml",
      "points": 0,
      "present": false
    },
    {
      "factor": "diffuse_lesion",
      "points": 0,
      "present": false
    },
    {
      "factor": "hydrocephalus",
      "points": 0,
      "present": false
    },
    {
      "factor": "neurosurgical_intervention",
      "points": 0,
      "present": false
    },
    {
      "factor": "additional_respiratory_disease",
      "points": 0,
      "present": false
    },
    {
      "factor": "pao2_fio2_lt_150",
      "points": 0,
      "present": false
    },
    {
      "factor": "apache_ii_gt_20",
      "points": 0,
      "present": false
    },
    {
      "factor": "lung_injury_score_gt_1",
      "points": 0,
      "present": false
    },
    {
      "factor": "sepsis",
      "points": 0,
      "present": false
    }
  ],
  "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.",
  "citation": {
    "authors": "Schönenberger S, Al-Suwaidan F, Kieser M, Uhlmann L, Bösel J",
    "doi": "10.1007/s12028-015-0235-5",
    "id": "schoenenberger-2016",
    "pmid": "26842719",
    "source": "Neurocrit Care. 2016;25(1):94-104",
    "title": "The SETscore to Predict Tracheostomy Need in Cerebrovascular Neurocritical Care Patients"
  },
  "formula": "setscore",
  "formula_expression": "SETscore = 4*dysphagia + 3*observed_aspiration + 3*gcs_lt_10 + 4*brainstem_lesion + 3*space_occupying_cerebellar + 4*mca_infarct_gt_two_thirds + 4*ich_volume_gt_25_ml + 3*diffuse_lesion + 4*hydrocephalus + 2*neurosurgical_intervention + 3*additional_respiratory_disease + 2*pao2_fio2_lt_150 + 4*apache_ii_gt_20 + 2*lung_injury_score_gt_1 + 3*sepsis; max 48; elevated / setscore_ge_8 iff score >= 8 (Schönenberger 2016)",
  "max_score": 48,
  "score": 0,
  "elevated": false,
  "setscore_ge_8": false
}

Client errors (HTTP 400)

Invalid params return 400 without charge. Shared HTTP 402 and 503 meanings: Payments.

HTTP	Code	When
400	`invalid_flag`	boolean clinical flags must be true or false Returned before settlement; you are not charged.
400	`invalid_items`	POST body must be a JSON object with only an items array Returned before settlement; you are not charged.
400	`invalid_item_count`	items must be an array of 1 to 25 objects Returned before settlement; you are not charged.
400	`invalid_item`	each items entry must be a JSON object Returned before settlement; you are not charged.

Related tools

Glasgow Coma Scale — Compute the Glasgow Coma Scale as the sum of caller-assigned eye, verbal, and motor integers. The 1974 or 1976 edition is required.
NIHSS — Sum Brott 1989 NIH stroke scale points from 15 caller-assigned examination integers, including pupillary response and plantar reflex. Weaker-limb motor arm and leg. Does not apply later total-score severity bands.
APACHE II — Compute the Knaus 1985 APACHE II integer from 12 Acute Physiology Score items, age points, and chronic-health points.

Payment

Unpaid requests return HTTP 402 even if query parameters or POST items are missing or invalid, so CDP and agents can index the path. After a PAYMENT-SIGNATURE, invalid params return HTTP 400 JSON before settlement. magent does not charge. Fix the params, then request a new 402 quote for that complete URL. Catalog misses (empty matches, found=false) are valid paid 200s. Unpaid valid requests return HTTP 402 with a base64 PAYMENT-REQUIRED header. HTTP 503 is not a new quote: retry the same PAYMENT-SIGNATURE. Full handshake and shared payment errors: Payments. Stdio MCP: /docs/mcp.

Guarantees

HTTP 402 is unpaid, including a missing query. After PAYMENT-SIGNATURE, invalid parameters return HTTP 400 before settlement. You are not charged. HTTP 402 never includes the tool JSON.
exact: settlement finishes before the tool (paymentFlow upfront). batch-settlement: verify/deposit before the tool; chargedCumulativeAmount commits after HTTP 2xx. Uncertain or failed settlement fails closed (HTTP 503). Retry the same PAYMENT-SIGNATURE.
HTTP 402 is unpaid only. Do not sign a second authorization because of a 503.
Execution is timeout-bounded and concurrency-capped.
Calculator inputs are stored encrypted for allowlisted operators (Magent Console). They are not in public logs, SSH lookups, catalog, or rollups. Request logs store path without query.