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Severity of Sleep Apnea and Prevalence of Narrow Band Elevated-Low Frequency Coupling
| Apnea hypopnea index (AHI / h of sleep) | Number of subjects | e-LFCNB present (% prevalence) | e-LFCNB (mean % for each AHI group) |
|---|---|---|---|
| 0–4.9 | 2748 | 314 (11.4) | 0.5 (1.8) |
| 5–14.9 | 1539 | 408 (26.5) | 1.6 (3.6) |
| 15–29.9 | 619 | 274 (44.3) | 4 (7.2) |
| > 30 | 338 | 235 (69.5) | 12.8 (15.2) |
