Endpoint · evidencePOSTapi.magentlab.com /api/calc/fena
Fractional excretion of sodium (FENa) from plasma and urine sodium and creatinine.
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Fractional excretion of sodium (FENa) from plasma and urine sodium and creatinine. Espinel 1976 oliguric ARF strata. Deterministic published formula with citation; not a diagnosis.Overview
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UNRATED
0 of 30 paid calls toward a letter
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first 35 days ago · last 17 hr ago
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Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.303 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by liveness · gap to 1.000 is 0.697: 0.290 uncertain ? + 0.408 short ? · 0.147 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.65 | 0.171 | 0.103 | −0.208 | −0.290 | |
| latency p95 it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.303 | gap to 1.000 = 0.697 · 0.408 short · 0.290 uncertain | 0.303 | −0.408 | −0.290 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.171 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.303 → UNRATED: 27 of 30 paid calls weights 2026.09.6 · 27 samples · seed cap_01M1A5A2PXF6MPNKDCNJWM3NNK|2026-09-04T22:24:24.290Z|2026.09.6
Verify it yourself
npx teppi-check https://api.magentlab.com/api/calc/fenacurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5A2PXF6MPNKDCNJWM3NNK