Table 2.
Comparison of demographic and clinical predictors between OSA-risk and non- OSA-risk along with statistical methods used.
| OSA | Non-OSA | Statistical test used | P-value | |
| Gender [n (%)] | ||||
| Male | 11 (36.7) | 10 (33.3) | Chi-square | 0.787 |
| Female | 19 (63.3) | 20 (66.7) | ||
| Profile | ||||
| Convex | 25 (83.3) | 17 (56.7) | Fisher exact test | 0.015* |
| Concave | 3 (10.0) | 2 (6.7) | ||
| Straight | 2 (6.7) | 11 (36.7) | ||
| Frontal examination | ||||
| Short lower face | 3 (10.0) | 5 (16.7) | Fisher exact test | 0.226 |
| Normal | 22 (73.3) | 24 (80.0) | ||
| Long lower face | 5 (16.7) | 1 (3.3) | ||
| Mandibular plane | ||||
| Flat | 0 (0) | 6 (20.0) | Fisher exact test | <0.001** |
| Normal | 8 (26.7) | 23 (76.7) | ||
| Steep | 22 (73.3) | 1 (3.3) | ||
| Faucial pillars & soft palate | ||||
| Type I | 2 (6.7) | 6 (20.0) | Fisher exact test | <0.001** |
| Type II | 2 (6.7) | 13 (43.3) | ||
| Type III | 17 (56.7) | 9 (30.0) | ||
| Type IV | 9 (30.0) | 2 (6.7) | ||
| Shape of upper arch | ||||
| Tapered | 1 (3.3) | 1 (3.3) | Fisher exact test | <0.001** |
| Ovoid | 22 (73.3) | 5 (16.7) | ||
| Square | 7 (23.3) | 24 (80.0) | ||
| Shape of lower arch | ||||
| Tapered | 9 (30.0) | 14 (46.7) | Chi-square | 0.390 |
| Ovoid | 8 (26.7) | 7 (23.3) | ||
| Square | 13 (43.3) | 9 (30.0) | ||
| Molar classification | ||||
| Class I | 4 (13.3) | 18 (60.0) | Fisher exact test | <0.001** |
| Class II div 1 | 21 (70.0) | 11 (36.7) | ||
| Class II div 2 | 3 (10.0) | 0 (0) | ||
| Class III | 2 (6.7) | 1 (3.3) | ||
| Cephalometric Analysis (Mean ± SD) | ||||
| SNA | 82.9 ± 4.5 | 82.8 ± 3.8 | Student t-test | 0.903 |
| SNB | 78.7 ± 4.9 | 79.5 ± 4.0 | Student t-test | 0.506 |
| ANB | 4.3 ± 2.9 | 2.8 ± 2.2 | Mann Whitney U test | 0.025* |
| SN-MP | 35.4 ± 5.5 | 31.2 ± 6.1 | Mann Whitney U test | 0.007* |
| PP-MP | 23.5 ± 7.5 | 22.2 ± 5.3 | Mann Whitney U test | 0.463 |
| IMPA | 100.6 ± 8.9 | 97.8 ± 6.9 | Student t-test | 0.068 |
| BaSN | 129.4 ± 6.3 | 133.2 ± 6.1 | Student t-test | 0.020 |
| PNS-AD1 | 16.5 ± 3.8 | 20.2 ± 3.4 | Mann Whitney U test | <0.001** |
| PNS-AD2 | 13.7 ± 3.6 | 17.2 ± 3.9 | Mann Whitney U test | 0.001** |