Table 1: Retrospective chart review on sleep studies.
| Classification of Data Points from Sleep Studies | Mild | Moderate | Severe |
| AHI Severity | 15-May | 15-30 | ≥ 03 |
| Lowest Saturation | 90%-80% | < 80%-70% | ≤ 07% |
| Epworth Sleepiness Scale Score | 0-12 | 13-18 | ⮚ 18 |
| ECG Abnormalities | 1 | 2 | ≥ 3 |
| Percentage Saturation of Less than 90% | 0-1% | 1%-5% | ≥ 5% |