{"uid":"cap_MlRdI081AWKeveij0D0Y2","slug":"atria-stroke-risk-score-singer-2013-842e3b57","name":"ATRIA Stroke Risk Score (Singer 2013)","description":"Singer 2013 ATRIA stroke risk score (not Fang 2011 ATRIA bleed). Age x prior stroke Table 3: <65 0/8, 65-74 3/7, 75-84 5/7, >=85 6/9 without/with prior stroke. Plus 1 each: female, diabetes, heart failure, hypertension, proteinuria, eGFR<45 or ESRD. Max 15 (12 without prior stroke). 0-5 low, 6 moderate, 7-15 high. Not a stroke diagnosis or anticoagulation order. Not CHA2DS2-VASc. magent does not assay eGFR or urine.","url":"https://api.magentlab.com/api/calc/atria_stroke","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["age","prior_stroke","female","diabetes","heart_failure","hypertension","proteinuria","egfr_lt_45_or_esrd"],"properties":{"age":{"type":"integer","description":"Age in years (18-120). Singer 2013 Table 3 without prior stroke: <65 scores 0, 65-74 scores 3, 75-84 scores 5, ≥85 scores 6. With prior stroke: <65 scores 8, 65-74 scores 7, 75-84 scores 7, ≥85 scores 9."},"female":{"type":"boolean","description":"Female sex as assigned by the caller. true or false. Scores 1."},"diabetes":{"type":"boolean","description":"Diabetes as assigned by the caller. true or false. Scores 1."},"proteinuria":{"type":"boolean","description":"Proteinuria as assigned by the caller. true or false. Scores 1. magent does not assay urine."},"hypertension":{"type":"boolean","description":"Diagnosed hypertension as assigned by the caller. true or false. Scores 1."},"prior_stroke":{"type":"boolean","description":"Prior ischemic stroke as assigned by the caller. true or false. Selects the Table 3 age column. Not a stroke diagnosis."},"heart_failure":{"type":"boolean","description":"Congestive heart failure as assigned by the caller (paper CHF). true or false. Scores 1."},"egfr_lt_45_or_esrd":{"type":"boolean","description":"eGFR <45 or ESRD as assigned by the caller. true or false. Scores 1. magent does not assay eGFR."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4O1JL06kFBW44dQKNrNiH","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates the ATRIA stroke risk score for atrial fibrillation patients using Singer 2013 Table 3, returning a numeric score and low/moderate/high risk category.","exampleAgentPrompt":"What's the ATRIA stroke risk score for a 72-year-old woman with atrial fibrillation, prior ischemic stroke, hypertension, and diabetes, but no heart failure, proteinuria, or kidney disease?","exampleUseCases":[{"title":"AFib stroke risk stratification in clinic","prompt":"Calculate the ATRIA stroke score for a 78-year-old male AFib patient with hypertension and proteinuria but no prior stroke, diabetes, heart failure, or kidney disease — what risk category does he fall in?"},{"title":"Elderly patient with renal failure and prior stroke","prompt":"My patient is 86 years old, female, had a prior ischemic stroke, has hypertension, heart failure, and eGFR below 45 — what does her ATRIA stroke score come out to?"},{"title":"Comparing younger AFib patient risk","prompt":"Run the ATRIA Singer 2013 stroke risk score for a 62-year-old male with atrial fibrillation, diabetes, and hypertension, no prior stroke, no heart failure, no proteinuria, normal kidney function."}],"resultDescription":"Returns the numeric ATRIA stroke risk score (0–15) and the corresponding risk category: low (0–5), moderate (6), or high (7–15), computed from the Singer 2013 Table 3 age-by-prior-stroke matrix plus five binary comorbidity flags.","failureModes":["Missing required query parameters returns a validation error","Age outside 18–120 range may be rejected","All boolean flags must be explicitly provided (no defaults assumed)","eGFR and urine protein values must be pre-assessed by the caller — the API does not compute them","Misidentifying this as a CHA2DS2-VASc or ATRIA bleed (Fang 2011) endpoint will produce wrong clinical interpretation"],"whenToPreferThis":"Use this endpoint when you need to compute the Singer 2013 ATRIA stroke risk score specifically (not CHA2DS2-VASc and not the Fang 2011 ATRIA bleeding risk score). Prefer it when clinical logic requires Table 3 age-stratified scoring with a prior-stroke interaction term and the caller has already resolved eGFR and proteinuria status from lab data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:52:31.536Z","isFirstParty":false}