{"uid":"cap_O_nsJzMKX1CXTGI36XSWW","slug":"magent-ribscore-chapman-2016-e280de3f","name":"magent RibScore (Chapman 2016)","description":"Chapman 2016 RibScore from six caller-assigned radiographic flags (≥6 rib fractures, bilateral, flail chest, ≥3 severely bicortical displaced, first rib, and all three anatomic areas). 1 point each, total 0-6. Associated linearly with pneumonia, respiratory failure, and tracheostomy. magent does not read a CT. Deterministic published arithmetic with citation; not a named risk class.","url":"https://api.magentlab.com/api/calc/ribscore","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":["six_or_more_ribs","bilateral","flail_chest","three_or_more_displaced","first_rib","all_three_areas"],"properties":{"bilateral":{"type":"boolean","description":"Bilateral rib fractures as assigned by the caller (Chapman 2016). true or false. magent does not read a CT."},"first_rib":{"type":"boolean","description":"First rib fracture as assigned by the caller (Chapman 2016). true or false. magent does not read a CT."},"flail_chest":{"type":"boolean","description":"Flail chest as assigned by the caller (Chapman 2016). true or false. magent does not read a CT or examine the chest wall."},"all_three_areas":{"type":"boolean","description":"At least one fracture in all three anatomic areas (anterior, lateral, and posterior) as assigned by the caller (Chapman 2016). true or false. magent does not read a CT or assign anatomic zones."},"six_or_more_ribs":{"type":"boolean","description":"Six or more rib fractures as assigned by the caller (Chapman 2016). true or false. magent does not read a CT or count fractures."},"three_or_more_displaced":{"type":"boolean","description":"Three or more severely (bicortical) displaced rib fractures as assigned by the caller (Chapman 2016). true or false. magent does not read a CT or grade displacement."}}}},"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_R4w62fhhB7nFeWFMHmbXI","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":"Computes the Chapman 2016 RibScore (0–6) from six caller-assigned radiographic boolean flags, each worth 1 point, linearly associated with pneumonia, respiratory failure, and tracheostomy risk.","exampleAgentPrompt":"Calculate the Chapman 2016 RibScore for my trauma patient: they have six or more rib fractures — yes, bilateral — yes, no flail chest, three or more severely displaced fractures — yes, first rib fracture — yes, and fractures in all three anatomic areas — yes.","exampleUseCases":[{"title":"Trauma bay rib fracture risk stratification","prompt":"I just reviewed a chest CT and the patient has six or more rib fractures, bilateral involvement, no flail chest, at least three severely displaced fractures, a first rib fracture, and fractures in all three anatomic areas. Can you run the Chapman RibScore on that?"},{"title":"Predicting pneumonia risk after thoracic trauma","prompt":"My patient has bilateral rib fractures and flail chest but no first rib fracture, fewer than six ribs broken, no severely displaced ones, and not all three anatomic areas involved — what does the RibScore come out to?"},{"title":"Automated trauma documentation scoring","prompt":"For my trauma registry entry: six or more ribs broken — no, bilateral — no, flail chest — no, three or more displaced — no, first rib — no, all three anatomic areas — no. What is the RibScore?"}],"resultDescription":"Returns the Chapman 2016 RibScore as an integer between 0 and 6, computed by summing the six boolean flags (1 point each). Higher scores correlate linearly with risk of pneumonia, respiratory failure, and need for tracheostomy.","failureModes":["Missing required boolean query parameters returns a validation error","Non-boolean values for flag parameters cause schema rejection","Network timeout if the endpoint is temporarily unavailable","HTTP 402 Payment Required if the x402 payment header is absent or insufficient"],"whenToPreferThis":"Use this endpoint when you have already interpreted a chest CT or clinical exam and need to compute the validated Chapman 2016 RibScore from six discrete radiographic flags. It is deterministic arithmetic with a published citation and is appropriate for clinical documentation, trauma registry scoring, and decision support pipelines. Do not use it as a substitute for CT interpretation or clinical assessment — the caller must supply all six boolean flags.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:15:08.954Z","isFirstParty":false}