{"uid":"cap_h01Tefhda_xEblzV7snc8","slug":"garfield-af-1-year-risk-calculator-fox-2017-3957fcd8","name":"GARFIELD-AF 1-Year Risk Calculator (Fox 2017)","description":"Fox 2017 GARFIELD-AF 1-year all-cause mortality, ischaemic stroke/systemic embolism, and major bleed from age, sex, weight, pulse, diastolic BP, comorbidities, smoking, caller-assigned ethnicity (White/Caucasian reference; Hispanic/Latino, Asian, Black/Mixed/Other), oral anticoagulant class (none, NOAC, VKA), carotid occlusive disease, and antiplatelet therapy. Published 1-year equations. magent does not assign race or ethnicity. Not a diagnosis or anticoagulation order.","url":"https://api.magentlab.com/api/calc/garfield_af","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","sex","weight_kg","pulse","diastolic_bp_mm_hg","heart_failure","vascular_disease","prior_stroke","history_of_bleeding","diabetes","moderate_to_severe_ckd","dementia","current_smoking","oac","ethnicity","carotid_occlusive_disease","antiplatelet"],"properties":{"age":{"type":"integer","description":"Age in years (integer 18-120). Fox 2017 / GARFIELD-AF: mortality uses 0.031050027*(age-65) when age<=65 and 0.064594824*(age-65) when age>65. Stroke and bleed use 0.039138147*(age-65) and 0.043476276*(age-65) with no knot."},"oac":{"enum":["none","noac","vka"],"type":"string","description":"Caller-assigned oral anticoagulant class: none, noac, or vka (mutually exclusive). NOAC and VKA enter as separate Fox 2017 terms. magent does not choose an anticoagulant."},"sex":{"enum":["female","male"],"type":"string","description":"Sex as recorded (female or male). Fox 2017 female sex adds 0.306202287 to the mortality linear predictor. Stroke and bleed equations have no sex term."},"pulse":{"type":"number","description":"Pulse in beats per minute (30-250). Mortality: 0.007678035*(pulse-120) when pulse<=120; 0 when pulse>120. Bleed uses 0.004167103*(pulse-120) with no truncation."},"dementia":{"type":"boolean","description":"Caller-assigned dementia (true or false). Mortality +0.489453313; stroke +0.513221391."},"diabetes":{"type":"boolean","description":"Caller-assigned diabetes (true or false). Mortality +0.280133213; stroke +0.211995445; bleed +0.176898047."},"ethnicity":{"enum":["white","hispanic_latino","asian","black_mixed_other"],"type":"string","description":"Caller-assigned ethnicity using Fox 2017 / GARFIELD-AF terms. white (White/Caucasian) is the mortality reference (0); hispanic_latino +0.157023564; asian -0.609609055; black_mixed_other +0.375675102. Stroke and bleed have no ethnicity term. magent does not assign race or ethnicity."},"weight_kg":{"type":"number","description":"Weight in kg (20-300). Mortality: -0.021535182*(weight_kg-75) when weight_kg<=75; 0 when weight_kg>75. magent does not convert lb."},"antiplatelet":{"type":"boolean","description":"Caller-assigned antiplatelet therapy (true or false). Bleed +0.236620846. Mortality and stroke have no antiplatelet term. magent does not order antiplatelet therapy."},"prior_stroke":{"type":"boolean","description":"Caller-assigned prior stroke (true or false). Mortality +0.26585298; stroke +0.800863063."},"heart_failure":{"type":"boolean","description":"Caller-assigned heart failure (true or false). Mortality +0.693789082; stroke +0.233182644. magent does not diagnose heart failure."},"current_smoking":{"type":"boolean","description":"Caller-assigned current smoking (true or false). Mortality +0.345481149; stroke +0.478831506."},"vascular_disease":{"type":"boolean","description":"Caller-assigned vascular disease (true or false). Mortality +0.306120964; stroke +0.197919709; bleed +0.168950627."},"diastolic_bp_mm_hg":{"type":"number","description":"Diastolic blood pressure in mm Hg (30-150). Mortality: -0.019304333*(dbp-80) when dbp<=80; 0 when dbp>80. Stroke: 0.01590016*(dbp-80) when dbp>80; 0 when dbp<=80."},"history_of_bleeding":{"type":"boolean","description":"Caller-assigned history of bleeding (true or false). Mortality +0.385407386; stroke +0.29883967; bleed +0.782237771."},"moderate_to_severe_ckd":{"type":"boolean","description":"Caller-assigned moderate-to-severe chronic kidney disease (true or false). Mortality +0.377903886; stroke +0.349516938; bleed +0.498686574. magent does not compute eGFR."},"carotid_occlusive_disease":{"type":"boolean","description":"Caller-assigned carotid occlusive disease (true or false). Bleed +0.316245771. Mortality and stroke have no carotid term."}}}},"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__YwsBf1UkmkbTLlG9TptP","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 1-year predicted risks of all-cause mortality, ischaemic stroke/systemic embolism, and major bleeding for atrial fibrillation patients using the published Fox 2017 GARFIELD-AF equations.","exampleAgentPrompt":"Using the Fox 2017 GARFIELD-AF model, calculate the 1-year risks of death, stroke/embolism, and major bleeding for a 72-year-old male, 85 kg, pulse 88 bpm, diastolic BP 82 mmHg, White/Caucasian ethnicity, with heart failure and diabetes but no prior stroke, no bleeding history, no CKD, no dementia, non-smoker, on a NOAC, no carotid occlusive disease, and no antiplatelet therapy.","exampleUseCases":[{"title":"AF patient on warfarin risk stratification","prompt":"Run the GARFIELD-AF Fox 2017 risk model for a 68-year-old female, 70 kg, pulse 95 bpm, diastolic BP 78 mmHg, Asian ethnicity, with vascular disease and type 2 diabetes, no prior stroke, no bleeding history, no CKD, no dementia, current smoker, on VKA, no carotid occlusive disease, and taking antiplatelet therapy — give me her 1-year mortality, stroke, and bleed risks."},{"title":"Newly diagnosed AF patient not on anticoagulant","prompt":"Calculate the 1-year mortality, ischaemic stroke, and major bleed probabilities using GARFIELD-AF for a 58-year-old male, 95 kg, pulse 110 bpm, diastolic BP 90 mmHg, Hispanic/Latino ethnicity, with prior stroke and moderate CKD, no heart failure, no bleeding history, no diabetes, no dementia, non-smoker, currently on no oral anticoagulant, and no antiplatelet or carotid occlusive disease."},{"title":"Elderly AF patient with multiple comorbidities","prompt":"Use the Fox 2017 GARFIELD-AF equations to estimate 1-year all-cause mortality, stroke/embolism risk, and bleeding risk for an 81-year-old female, 62 kg, pulse 72 bpm, diastolic BP 70 mmHg, Black/Mixed/Other ethnicity, with heart failure, dementia, prior stroke, history of bleeding, and diabetes, moderate-to-severe CKD, no current smoking, on a NOAC, carotid occlusive disease present, no antiplatelet."}],"resultDescription":"Returns three 1-year probability estimates computed from the published Fox 2017 GARFIELD-AF linear predictors: (1) all-cause mortality, (2) ischaemic stroke or systemic embolism, and (3) major bleeding. Values are derived from the patient's age, sex, weight, pulse, diastolic BP, comorbidity flags, smoking status, ethnicity, OAC class, carotid occlusive disease, and antiplatelet use. The endpoint does not recommend anticoagulation or diagnose AF.","failureModes":["Missing required query parameters (age, sex, weight_kg, pulse, diastolic_bp_mm_hg, comorbidity flags, oac, ethnicity, carotid_occlusive_disease, antiplatelet) returns a 400 Bad Request","Age outside the 18-120 range or pulse outside 30-250 may return a validation error","Invalid enum values for sex, oac, or ethnicity return an error","Payment not provided or insufficient USDC balance results in 402 Payment Required","Network timeout or server unavailability returns 5xx error"],"whenToPreferThis":"Use this endpoint when you need the validated, published Fox 2017 GARFIELD-AF 1-year absolute risk estimates for mortality, stroke/embolism, and major bleeding in patients with atrial fibrillation. Prefer this over generic CHA2DS2-VASc or HAS-BLED calculators when you need simultaneous estimates of all three outcomes from a large real-world registry model. This is appropriate when you have all required clinical parameters available and want a research-grade, citation-backed computation rather than a simple score.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:35:31.495Z","isFirstParty":false}