Biomedical & Clinical AI Research Series

Validation & Benchmark Empirical Results · Three Inflammatory Challenge Models · 803 Recordings

ISI Accuracy: 91.4% Lead Time: 47.3 min AUROC: 0.963 FPR: 3.2%
Performance Summary

Primary Endpoints Across Three Paradigms

M1 · N=312
LPS Endotoxemia
ISI Accuracy93.1%
Lead Time51.2 min
AUROC0.971
M2 · N=287
Sterile SIRS
ISI Accuracy90.8%
Lead Time44.7 min
AUROC0.958
M3 · N=204
CAR-T CRS Analog
ISI Accuracy90.4%
Lead Time45.9 min
AUROC0.960
Comparison

Vagus-Decipher vs. Existing Early Warning Methods

MethodAccuracy / AlertAdvance WarningAUROCLimitation
SOFA Score (Sepsis-3)74.1%0 min (lagging)0.741Lagging indicator
NEWS2 + Lactate78.6%<15 min0.793Lab latency
PCT + IL-6 panel83.2%<30 min0.84760–180 min draw
EHR-LSTM (Moor et al.)86.1%~3 hours0.871Retrospective
Wearable ECG sepsis78.0%~2 hours0.780Non-specific
Vagus-Decipher AI91.4%47.3 min0.963Requires vagal ENG interface
Ablation & Sensitivity

Contribution of Each Framework Component

ConfigurationAccuracyLead TimeAUROCFPR
No AWIE (raw signal)67.3%28.1 min0.82112.4%
AWIE only (no beamformer)78.9%36.4 min0.8828.7%
Full AWIE (no NISSD, rate threshold)81.2%38.9 min0.9016.9%
AWIE + NISSD (no physics constraint)86.4%42.1 min0.9315.8%
AWIE + NISSD + physics (no ISI integrator)88.7%44.8 min0.9444.6%
Vagus-Decipher AI v1.0.0 (Full)91.4%47.3 min0.9633.2%
Phase Classification

Civilizational Phase Transitions (Analogy)

PhaseConditionBehaviorResilience
Phase I — StableS(t) ≫ θ_cConverges to attractorResilient to moderate shocks
Phase II — CriticalS(t) ≈ θ_cSensitivity diverges; EWS riseFragile; elevated collapse risk
Phase III — CollapseS(t) < θ_cTransition to new attractorRecovery requires strong shocks
ISI Clinical Alert Tiers

Configurable Risk Thresholds

0.00 – 0.35
🟢 LOW
Routine monitoring
0.35 – 0.55
🟡 ELEVATED
Increase vital signs frequency
<30 min
0.55 – 0.75
🟠 HIGH
Physician notification + lab panel
<15 min
> 0.75
🔴 CRITICAL
Immediate intervention protocol
<5 min
Reproducibility

Run the Benchmarks

git clone https://github.com/gitdeeper12/Vagus-Decipher.git
cd Vagus-Decipher
pip install -e .

python benchmarks/m1_lps_endotoxemia.py
python benchmarks/m2_sterile_sirs.py
python benchmarks/m3_car_t_crs.py

python -m unittest discover tests -v