Table 1 Anthropomorphic and polysomnographic characteristics of participating subjects. BMI: body mass index, NC: neck circumference, AHI: apnea + hypopnea index. Mean ± SEM.
Normal Subjects (n = 10) | OSA Subjects (n = 11) | p | |
|---|---|---|---|
Age (y) | 50 ± 1 | 50 ± 2 | 0.9 |
BMI (Kg.m-2) | 27.2 ± 1.1 | 26.7 ± 1.2 | 0.8 |
NC (cm) | 39.6 ± 0.9 | 40.5 ± 0.8 | 0.6 |
Pharyngeal resistance at 0.4 L.s-1 (cm H2O.L-1.s) | 3.9 ± 0.8 | 3.9 ± 0.7 | 0.3 |
Peak flow pharyngeal resistance (cm H2O.L-1.s) | 4.4 ± 0.8 | 3.8 ± 0.7 | 0.2 |
AHI (n/h) | 4.8 ± 1.0 | 29.4 ± 2.2 | 10-4 |