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AHI and ODI correlation according to the OSA grades.
| AHI * ODI | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ODI | Total | Correlation coefficient | Agreement | Kappa | p-value | ||||
| Mild OSA | Moderate OSA | Severe OSA | |||||||
| AHI | Mild OSA | 17 (89.5%) | 2 (10.5%) | 0 (0.0%) | 19 | ||||
| Moderate OSA | 12 (33.3%) | 18 (50.0%) | 6 (16.7%) | 36 | .919 | 87.32% | 0.672 | <0.001 | |
| Severe OSA | 0 (0.0%) | 16 (18.4%) | 71 (81.6%) | 87 | |||||
| Total | 29 | 36 | 77 | 142 |
