Upper airway volumes in a range of eucapnic or hypercapnic obese patients
| Eucapnic obese | OHS n = 7 | ||||||
| Variable | Mean | IQR | 100% Range | Mean | IQR | 100% Range | |
| BMI (kg/m2) | 44 | 9 | 39 ;53.8 | 49 | 9 | 34.8 ; 62.8 | |
| PaCO2 (mmHg) | 37 | 14 | 36 ; 39 | 47 | 7.5 | 38 ; 72 | |
| HCO3® (mmol/l) | 25 | 1.6 | 24.2 ; 25.9 | 28.8 | 3 | 26.2 ;33.3 | |
| Base excess (mmol/l) | 1.33 | 1.45 | 0.3; 2 | 5.3 | 3.4 | 2.1 ;12.7 | |
| Neck circumference (cm) | 42.8 | 9.43 | 38 ; 47 | 47.5 | 10 | 40 ;55 | |
| Apnea-Hypnoea Index (AHI) | 25.7 | 32.6 | 7 ; 47.9 | 22.2 | 42.0 | 1.5 ;56.3 | |
| Lateral pharyngeal wall (LPW) (cm3) | 7.14 | 12.6 | 2.3;10.1 | 6 | 3.4 | 2.9;11.8 | |
| Tongue (cm3) | 8.86 | 5.79 | 8.19;9.57 | 9.37 | 2.8 | 7.2;12.1 | |
| Fat pads (cm3) | 8.52 | 5.79 | 7.56;1.27 | 9.29 | 2.063 | 6.869;12.9 | |