{"slug":"stats-tests-x402tookit-com-effect-size-2x2-3e8a30","title":"Odds ratio, relative risk, risk difference and number needed to treat from a 2x2","host":"stats-tests.x402tookit.com","method":"GET","resource":"https://stats-tests.x402tookit.com/effect-size-2x2","category":"other","description":"Odds ratio, relative risk, risk difference and number needed to treat from a 2x2 table, each with a confidence interval.","price_listed":0.02,"price_asked":0.02,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":418,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:137","eip155:42161","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"exposedEvents":20,"exposedNoEvents":80,"unexposedEvents":10,"unexposedNoEvents":90},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"confidence":{"description":"0.8 to 0.999 (default 0.95)","type":"number"},"exposedEvents":{"description":"Events in the exposed (or treated) group","type":"integer"},"exposedNoEvents":{"description":"Non-events in the exposed group","type":"integer"},"unexposedEvents":{"description":"Events in the unexposed (or control) group","type":"integer"},"unexposedNoEvents":{"description":"Non-events in the unexposed group","type":"integer"}},"required":["exposedEvents","exposedNoEvents","unexposedEvents","unexposedNoEvents"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"asOf":{"type":["null","string"]},"confidence":{"type":["null","number"]},"correctionApplied":{"type":["boolean","null"]},"degraded":{"type":["boolean","null"]},"direction":{"type":["null","string"]},"disclaimer":{"type":["null","string"]},"notChecked":{"items":{"type":"string"},"type":["array","null"]},"numberNeededToTreat":{"type":["null","number"]},"oddsRatio":{"type":["null","number"]},"oddsRatioCI":{"properties":{"lower":{"type":["null","number"]},"upper":{"type":["null","number"]}},"type":["null","object"]},"reasons":{"items":{"type":"string"},"type":["array","null"]},"relativeRisk":{"type":["null","number"]},"relativeRiskCI":{"properties":{"lower":{"type":["null","number"]},"upper":{"type":["null","number"]}},"type":["null","object"]},"riskDifference":{"type":["null","number"]},"riskDifferenceCI":{"properties":{"lower":{"type":["null","number"]},"upper":{"type":["null","number"]}},"type":["null","object"]},"riskExposed":{"type":["null","number"]},"riskUnexposed":{"type":["null","number"]},"source":{"type":["null","string"]},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-21","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.02,"price_match":true,"latency_ms":418,"error":null}],"description_full":"Odds ratio, relative risk, risk difference and number needed to treat from a 2x2 table, each with a confidence interval.","last_updated":"2026-10-20T20:47:15.712Z","schemes":["exact"]}