eGFR Kidney Function โ 5 Vera Holistic Vectors โ Pearson r, p-values, Bootstrap Confidence Intervals (VS-2)
All correlations use the Pearson product-moment correlation coefficient:
r = ฮฃ[(xแตข-xฬ)(yแตข-ศณ)] / โ[ฮฃ(xแตข-xฬ)ยฒ ยท ฮฃ(yแตข-ศณ)ยฒ]
For small-n samples (n=3 milestones), bootstrap resampling (B=10,000 iterations) generates valid 95% confidence intervals. P-values are computed via the t-distribution with n-2 degrees of freedom. Effect sizes are interpreted per Cohen (1988): |r| โฅ 0.1 (small), โฅ 0.3 (medium), โฅ 0.5 (large).
Data protection: All raw patient records are stored as ZKP Merkle commitments. This analysis operates on pseudonymized parameter deltas only. No biometric raw data (images, audio) is used in computation. GDPR Art. 89 scientific research safeguards apply throughout.
| Milestone | eGFR (mL/min) | Creatinine (mg/dL) | Tongue Water El. | Voice F0 (Hz) | HRV SDNN (ms) | Coherence Score | ZKP Verified |
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| Vector / Biomarker | Baseline (T-0) | Final (T-End) | ฮ Absolute | ฮ % | Direction | Trend |
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