Table 4. Comparison of Obstruction Sites Requiring Treatment Between Drug-Induced Sleep Endoscopy and Natural Sleep Endoscopy.
| Obstruction Site | Obstruction Grade 0 vs Grade 1, 2 | Obstruction Grade 0, 1 vs Grade 2 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DISE | NSE | Agreement, % | Cohen Weighted κ (95% CI) | DISE | NSE | Agreement, % | Cohen Weighted κ (95% CI) | |||||
| Obstruction Grade 0 | Obstruction Grades 1, 2 | Obstruction Grade 0 | Obstruction Grades 1, 2 | Obstruction Grades 0, 1 | Obstruction Grade 2 | Obstruction Grades 0, 1 | Obstruction Grade 2 | |||||
| Velum | 0 | 26 | 2 | 24 | 92.3 | NA | 3 | 23 | 7 | 19 | 84.6 | 0.52 (0.09-095) |
| Oropharynx lateral wall | 16 | 10 | 19 | 7 | 88.5 | 0.74 (0.47-1.02) | 22 | 4 | 22 | 4 | 92.3 | 0.70 (0.31-1.10) |
| Tongue base | 11 | 15 | 15 | 11 | 84.6 | 0.69 (0.43-0.97) | 18 | 8 | 21 | 5 | 88.5 | 0.70 (0.38-1.02) |
| Epiglottis | 21 | 5 | 23 | 3 | 92.3 | 0.71 (0.32-1.10) | 22 | 4 | 24 | 2 | 92.3 | 0.63 (0.13-1.12) |
Abbreviations: DISE, drug-induced sleep endoscopy; NSE, natural sleep endoscopy.