{"slug":"api-magentlab-com-api-calc-6mwd-4d2ba7","title":"Enright 1998 predicted six-minute walk distance (meters) from sex, age 40-80, he","host":"api.magentlab.com","method":"POST","resource":"https://api.magentlab.com/api/calc/6mwd","category":"other","description":"Enright 1998 predicted six-minute walk distance (meters) from sex, age 40-80, height_cm, and weight_kg (Table 3 height/weight: male 7.57H−5.02age−1.76W−309; female 2.11H−2.29W−5.78age+667). Reports predicted_m and lln_m (minus 153 m men or 139 m women). Optional walked_m (0-1500) yields percent_pred","price_listed":0.005,"price_asked":0.007,"state":"overcharges","state_label":"Asked 1.4x its listed price for its own example","checks_7d":1,"answered_7d":1,"latency_ms_median":253,"reported_calls_30d":0,"reported_payers_30d":0,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"items":[{"age":50,"height_cm":170,"height_in":66.9291,"sex":"male","walked_m":400,"weight_kg":70,"weight_lb":154.324},{"age":50,"height_cm":170,"height_in":66.9291,"sex":"male","walked_m":400,"weight_kg":70,"weight_lb":154.324}]},"method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"items":{"items":{"properties":{"age":{"description":"Age in years (integer 40-80). Enright 1998 derivation range.","type":"integer"},"height_cm":{"description":"Height in centimeters (50-250). Provide height_cm or height_in.","type":"number"},"height_in":{"description":"Height in inches (20-98). Converted as cm = in × 2.54.","type":"number"},"sex":{"description":"Sex used by Enright 1998 Table 3 (separate male and female height/weight equations).","enum":["female","male"],"type":"string"},"walked_m":{"description":"Optional distance walked in meters (0-1500). When present, percent_predicted = walked_m / predicted_m × 100. magent does not time the walk.","type":"number"},"weight_kg":{"description":"Weight in kilograms (1-500). Provide weight_kg or weight_lb.","type":"number"},"weight_lb":{"description":"Weight in pounds (2-1100). Converted as kg = lb × 0.45359237.","type":"number"}},"required":["sex","age"],"type":"object"},"maxItems":25,"minItems":1,"type":"array"}},"required":["items"],"type":"object"},"headers":{"additionalProperties":{"type":"string"},"type":"object"},"method":{"const":"POST","type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-28","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.007,"price_match":false,"latency_ms":253,"error":null}],"description_full":"Enright 1998 predicted six-minute walk distance (meters) from sex, age 40-80, height_cm, and weight_kg (Table 3 height/weight: male 7.57H−5.02age−1.76W−309; female 2.11H−2.29W−5.78age+667). Reports predicted_m and lln_m (minus 153 m men or 139 m women). Optional walked_m (0-1500) yields percent_predicted. Not a timed walk, BMI-equation path, or 80%/400 m class. Not a medical device.","last_updated":"2026-09-28T13:47:43.504Z","schemes":["exact"]}