{"uid":"cap_x4FcAMopN1-cXyZ4iU7sW","slug":"improve-vte-score-calculator-spyropoulos-2011-04f2d2fb","name":"IMPROVE VTE Score Calculator (Spyropoulos 2011)","description":"Spyropoulos 2011 7-factor associative IMPROVE VTE score during hospitalization: previous VTE 3, known thrombophilia 2, lower-limb paralysis 2, current cancer 2, immobilized >=7 days 1, ICU/CCU stay 1, age >60 1. Max 12. Bands: 0-1; 2-3 (observed VTE 1.5%); >=4 (observed VTE 5.7%). Not a VTE diagnosis or prophylaxis order. Not the 4-factor admission predictive model. Not IMPROVEDD. magent does not examine the patient.","url":"https://api.magentlab.com/api/calc/improve_vte","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","previous_vte","known_thrombophilia","lower_limb_paralysis","current_cancer","immobilized_ge_7_days","icu_ccu_stay"],"properties":{"age":{"type":"integer","description":"Age in years (18-120). Scores 1 when age >60 (Spyropoulos 2011). Age 60 scores 0; age 61 scores 1."},"icu_ccu_stay":{"type":"boolean","description":"ICU or CCU stay as assigned by the caller (Spyropoulos 2011, during hospitalization). true or false. 1 point if true. magent does not assign level of care."},"previous_vte":{"type":"boolean","description":"Previous VTE as assigned by the caller (Spyropoulos 2011 7-factor associative model). true or false. 3 points if true. magent does not diagnose VTE."},"current_cancer":{"type":"boolean","description":"Current cancer as assigned by the caller (Spyropoulos 2011). true or false. 2 points if true. magent does not diagnose cancer."},"known_thrombophilia":{"type":"boolean","description":"Known thrombophilia as assigned by the caller (Spyropoulos 2011). true or false. 2 points if true. magent does not interpret a thrombophilia panel."},"lower_limb_paralysis":{"type":"boolean","description":"Lower-limb paralysis as assigned by the caller (Spyropoulos 2011). true or false. 2 points if true. magent does not examine the patient."},"immobilized_ge_7_days":{"type":"boolean","description":"Immobilized ≥7 days as assigned by the caller (Spyropoulos 2011, during hospitalization). true or false. 1 point if true. magent does not observe mobility."}}}},"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_dAqhv4cWpPaz6-2rnAI2a","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 7-factor IMPROVE VTE risk score for hospitalized medical patients based on caller-assigned clinical flags and patient age.","exampleAgentPrompt":"Calculate the IMPROVE VTE score for a 68-year-old hospitalized patient who has a previous VTE, is currently in the ICU, and has been immobilized for 9 days — no cancer, no thrombophilia, no lower-limb paralysis.","exampleUseCases":[{"title":"ICU patient with prior clot history","prompt":"Run the IMPROVE VTE score for a 72-year-old in the ICU who had a DVT two years ago, has no known thrombophilia, no lower-limb paralysis, no active cancer, and has been immobilized for 10 days."},{"title":"Cancer patient VTE risk on admission","prompt":"What's the IMPROVE VTE score for a 58-year-old hospitalized patient with active cancer and known thrombophilia, no prior VTE, not in ICU, not paralyzed, and immobilized for only 3 days?"},{"title":"Elderly immobilized patient stratification","prompt":"Score this 80-year-old patient on the IMPROVE VTE model — they've been immobilized for 8 days, no prior VTE, no cancer, no thrombophilia, no lower-limb paralysis, not in ICU or CCU."}],"resultDescription":"Returns the numeric IMPROVE VTE score (0–12), the corresponding risk band (0–1, 2–3, or ≥4), and the observed VTE rate associated with that band (1.5% for band 2–3, 5.7% for band ≥4). Does not provide prophylaxis orders or VTE diagnoses.","failureModes":["Missing required query parameter returns validation error","Age outside 18–120 range may be rejected or return unexpected results","Boolean parameters passed as strings instead of true/false may fail","Caller-assigned clinical flags that are clinically inaccurate will produce a score reflecting those inputs, not the true clinical state"],"whenToPreferThis":"Use this endpoint when you need to compute the validated Spyropoulos 2011 7-factor IMPROVE VTE score specifically — not the 4-factor admission predictive model, not IMPROVEDD, and not other VTE scoring systems (e.g. Caprini, Padua, DASH). Prefer this for hospitalized medical patients where clinical flags have already been assessed by a clinician and need to be converted into a standardized numeric score and risk band.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:10:21.286Z","isFirstParty":false}