Table 2.
Association between maxillary measurements and the collapse detected during DISE.
| Maxillary Measurements | Degree of Collapse (Velopharynx) | Mann-Whitney U Test | |||
|---|---|---|---|---|---|
| Median (mm) | 1 | 2 | |||
| IPMD | 25.9 | 27.3 | 0.306 | ||
| IMO | 29.2 | 28.5 | 0.612 | ||
| SNA angle (°) | 85.85 | 83.46 | 0.116 | ||
| Maxillary Measurements | Pattern of Collapse (Velopharynx) | Mann-Whitney U Test | |||
| Median (mm) | AP | completer circumferential (cc) | |||
| IPMD | 27.0 | 26.2 | 0.416 | ||
| IMO | 29.2 | 26.3 | 0.040 | ||
| SNA angle (°) | 84.03 | 82.67 | 0.583 | ||
| Maxillary Measurements | Degree of Collapse (Oropharynx) | Kruskal-Wallis Test, 0 vs 1 vs 2 | |||
| Median (mm) | 0 | 1 | 2 | ||
| IPMD | 25.15 | 27.00 | 26.75 | 0.758 | |
| IMO | 31.80 | 28.60 | 26.45 | 0.160 | |
| SNA angle (°) | 84.86 | 84.03 | 82.96 | 0.206 | |
| Maxillary Measurements | Degree of Collapse (Tongue Base) | Mann-Whitney U Test | |||
| Median (mm) | 0 | 1 | 2 | ||
| IPMD | 28.7 | 26.5 | 26.4 | 0.003 | |
| IMO | 34.1 | 26.8 | 26.3 | <0.001 | |
| SNA angle (°) | 84.36 | 84.26 | 81.84 | 0.077 | |
| Maxillary Measurements | Degree of Collapse (Epiglottis) | Kruskal-Wallis Test, 0 vs 1 vs 2 | |||
| Median (mm) | 0 | 1 | 2 | ||
| IPMD | 27.5 | 26.3 | 25.9 | 0.242 | |
| IMO | 30.2 | 26.4 | 28.2 | 0.206 | |
| SNA angle (°) | 83.61 | 84.58 | 83.55 | 0.858 | |
DISE = drug-induced sleep endoscopy, IMD = intermolar distance, IPMD = interpremolar distance, SNA = sella-nasion A point angle.