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UCSF CAPRA Preoperative Prostate Cancer Risk Score Calculator
x402
UCSF CAPRA Preoperative Prostate Cancer Risk Score Calculator is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Computes the Cooperberg 2005 UCSF CAPRA preoperative score (0–10) and maps it to a 5-year recurrence-free survival band for prostate cancer risk stratification.
Price / call$0.005
Success—
StatusUnknown
How this service works
Cooperberg 2005 UCSF CAPRA preoperative score (Table 1). Caller-assigned PSA (>=2.1-6 0, >6-10 1, >10-20 2, >20-30 3, >30 4), Gleason 1-3/1-3 0, 1-3/4-5 1, primary 4-5 3, clinical T t1/t2 0 or t3a 1, percent positive biopsies <34 0 or >=34 1, age <50 0 or >=50 1. Score 0-10. Table 4 bands 0_1, 2, 3, 4, 5, 6, ge_7 with 5-year RFS 85/81/66/59/60/34/8. Not Kattan. Not D'Amico. Not CAPRA-S. magent does not assay PSA or read biopsies. Not a diagnosis. Not a medical device.
Output
Returns a CAPRA integer score from 0 to 10, the corresponding Table 4 risk band (e.g. '0_1', '2', 'ge_7'), and the associated 5-year recurrence-free survival percentage (e.g. 85%, 8%) as defined by Cooperberg 2005.
Example use cases
Pre-surgery prostate cancer risk stratification
“I have a 63-year-old patient going in for prostatectomy — PSA is 12.3 ng/mL, Gleason primary 4, secondary 3, clinical stage T2, 55 percent positive biopsies. What's his CAPRA score and 5-year recurrence-free survival band?”
Comparing risk levels across clinic patients
“Can you compute CAPRA scores for my patient today: age 71, PSA 22 ng/mL, Gleason 4 primary and 4 secondary, T3a stage, 60 percent positive biopsies? I want to know which risk band he falls into.”
Low-risk patient counseling before treatment decision
“My patient is 47 years old, PSA of 5.0 ng/mL, Gleason primary 2 secondary 3, clinical T1, and only 20 percent positive biopsies — what does his CAPRA score look like and what does that mean for his 5-year outlook?”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/capraWhen to prefer
Use this endpoint when you need the Cooperberg 2005 UCSF CAPRA preoperative score specifically — not D'Amico risk groups, not Kattan nomograms, and not CAPRA-S (which is post-surgical). Ideal when all six required preoperative variables (age, PSA, Gleason primary, Gleason secondary, clinical T stage, percent positive biopsies) are already caller-assigned and you want a fast, deterministic 0–10 score plus the Table 4 5-year RFS band for clinical documentation or risk communication.
Side effects
- PSA below 2.1 ng/mL is invalid per the paper's exclusion criteria — returns an error
- T stage other than t1, t2, or t3a is invalid (no other stages supported)
- Gleason primary or secondary outside integer range 1–5 returns a validation error
- Percent positive biopsies outside 0–100 returns an error
- Missing any required query parameter results in a 400-level error
- Age outside 18–120 range is rejected
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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