MESA Sleep: AHI estimation R²
| Rank | Method & evaluation | AHI estimation R² (fraction of variance)↑ Higher is better |
|---|---|---|
| 1 | Dense temporal sleep apnea profiling from single Dense temporal sleep apnea profiling from single-channel PPG with downstream AHI estimation: a large-scale retrospective feasibility study Evaluation detailsPPG-only; 2029 MESA PSG studies; abstract states AHI estimation 'explained 76% of variance'; note: 0.83 when an auxiliary SpO2-derived desaturation feature is added; 95% CI [0.66, 0.82] and PPG-only AHI Pearson r 0.87 (author-confirmed, 2026-10-21) Weights: not released Reported as of: 2026-10-05 | 0.76 [0.66, 0.82] |