Table 3.
Correlation of anthropometric and cephalometric parameters with AHI
| Parameters | All subjects | Male | Female |
|---|---|---|---|
| Anthropometry | |||
| BMI | 0.356** | 0.368** | 0.240 |
| NC | 0.361** | 0.387** | 0.103 |
| WHR | 0.428** | 0.384** | 0.397** |
| Cephalometry | |||
| ANB | 0.079 | 0.042 | 0.384* |
| SPL | 0.284** | 0.267** | 0.141 |
| SPT | 0.234** | 0.150 | 0.386** |
| RPS | − 0.048 | − 0.053 | − 0.208 |
| RLS | 0.137* | 0.108 | − 0.024 |
| MPH | 0.339** | 0.292** | 0.253 |
*P < 0.05; **P < 0.01. Numbers are Pearson’s correlation coefficient (r values). AHI apnea-hypopnea index, BMI body mass index, NC neck circumference, WHR waist-hip ratio, ANB angle from A point to nasion to B point, SPL soft palate length, SPT soft palate thickness, RPS retropalatal space, RLS retrolingual space, MPH mandibular plane to hyoid