Table 3.
Craniofacial Photogrammetry – Subgroup Analysis 1-for-1 Matched for BMI and Sex
| Control (AHI < 10) n = 51 | OSA (AHI ≥ 10) n = 51 | P | |
|---|---|---|---|
| Total AHI* | 4.7 ± 3.1 | 29.0 ± 18.4 | - |
| Males (%) | 40 (78.4%) | 40 (78.4%) | - |
| Age (years)* | 49.5 ± 14.6 | 56.5 ± 13.0 | 0.01 |
| Anthropometry | |||
| BMI (kg/m2)* | 28.4 ± 4.62 | 28.4 ± 4.08 | - |
| Neck circumference (cm)* | 40.8 ± 4.09 | 40.9 ± 2.96 | NS |
| Waist circumference (cm)* | 102 ± 13.0 | 104 ± 9.40 | NS |
| Craniofacial Photogrammetry | |||
| Mandibular length 1 | 6.58 ± 0.08 | 6.21 ± 0.08 | 0.001 |
| Mandibular length 2 | 7.62 ± 0.08 | 7.23 ± 0.09 | 0.002 |
| Mandibular-nasion angle 1 | 36.7 ± 0.37 | 35.0 ± 0.48 | 0.006 |
| Mandibular-nasion angle 2 | 30.3 ± 0.34 | 28.6 ± 0.45 | 0.004 |
| Mandibular width-length angle | 85.3 ± 0.54 | 88.0 ± 0.75 | 0.005 |
| Face width-midface depth angle | 70.7 ± 0.39 | 72.3 ± 0.44 | 0.01 |
| Anterior neck space area† | 12.2 ± 0.52 | 10.2 ± 0.53 | 0.01 |
| Mandibular triangle area (ax) | 41.7 ± 0.74 | 39.2 ± 0.63 | 0.01 |
*
Mean ± SD; NS = nonsignificant; Craniofacial photogrammetry results with P ≤ 0.01 are shown; ax = axial measurement;
†
Measurement can be of a negative value; Linear measurements are in cm, angles in degrees, areas in cm2