{"slug":"api-magentlab-com-api-calc-parc-d36145","title":"Kharbanda 2018 Table 3 pediatric appendicitis risk calculator (pARC)","host":"api.magentlab.com","method":"POST","resource":"https://api.magentlab.com/api/calc/parc","category":"other","description":"Kharbanda 2018 Table 3 pediatric appendicitis risk calculator (pARC): logistic probability from sex, age (5-18 years), pain duration, pain with walking, migration of pain to RLQ, maximal RLQ tenderness, abdominal guarding, and ANC (x10^3/uL; 1.77*sqrt(ANC) if <14, else constant 6.62). Returns logit ","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":293,"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":[{"abdominal_guarding":false,"age":15,"anc_10e3_ul":2,"maximal_tenderness_rlq":false,"pain_duration":"lt_24","pain_migration_rlq":false,"pain_with_walking":false,"sex":"female"},{"abdominal_guarding":false,"age":15,"anc_10e3_ul":2,"maximal_tenderness_rlq":false,"pain_duration":"lt_24","pain_migration_rlq":false,"pain_with_walking":false,"sex":"female"}]},"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":{"abdominal_guarding":{"description":"Caller-assigned abdominal guarding (Kharbanda 2018 Table 3 +0.67). magent does not examine the child.","type":"boolean"},"age":{"description":"Age in whole years from 5 to 18 (Kharbanda 2018 derivation). Age 5-7 maps to 5-7.9 y; male 8-13 and female 8-11 use the age 8-13.9 y term; male 14-18 y and female 12-18 y are the Table 3 reference.","type":"integer"},"anc_10e3_ul":{"description":"Absolute neutrophil count in x10^3/uL (0-80). Kharbanda 2018 Table 3: if ANC < 14, add 1.77*sqrt(ANC); if ANC >= 14, add 6.62 instead of the sqrt term. Required; magent does not impute ANC from WBC.","type":"number"},"maximal_tenderness_rlq":{"description":"Caller-assigned maximal tenderness in the right-lower quadrant (Kharbanda 2018 Table 3 +1.14). magent does not examine the child.","type":"boolean"},"pain_duration":{"description":"Kharbanda 2018 Table 3 duration of pain as assigned by the caller: lt_24 (reference, 0), 24_lt_48 (+0.47), or 48_96 (+0.10). Derivation excluded pain beyond 96 hours. Do not send a nausea or vomiting flag.","enum":["lt_24","24_lt_48","48_96"],"type":"string"},"pain_migration_rlq":{"description":"Caller-assigned history of migration of pain to the right-lower quadrant (Kharbanda 2018 Table 3 +0.46). magent does not examine the child.","type":"boolean"},"pain_with_walking":{"description":"Caller-assigned presence of pain with walking (Kharbanda 2018 Table 3 +1.05). magent does not examine the child.","type":"boolean"},"sex":{"description":"Caller-assigned sex. Male adds 1.28. Combined with age for the Table 3 age-and-sex terms. magent does not examine the child.","enum":["female","male"],"type":"string"}},"required":["age","sex","pain_duration","pain_with_walking","pain_migration_rlq","maximal_tenderness_rlq","abdominal_guarding","anc_10e3_ul"],"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":293,"error":null}],"description_full":"Kharbanda 2018 Table 3 pediatric appendicitis risk calculator (pARC): logistic probability from sex, age (5-18 years), pain duration, pain with walking, migration of pain to RLQ, maximal RLQ tenderness, abdominal guarding, and ANC (x10^3/uL; 1.77*sqrt(ANC) if <14, else constant 6.62). Returns logit and estimated_probability_percent. Not a medical device, not a diagnosis, not PAS, and not Alvarado. magent does not examine the child.","last_updated":"2026-09-28T14:50:58.304Z","schemes":["exact"]}