Table 1.

Demographics.

N (Male: Female)	8:8
Age (years)	57.0 [12.9]
BMI (kg m−2)a	33.3 [30.8–35.3]
Waist/Hip Ratio	M 0.9 [0.05]; F 1.00 [0.04]
FEV1 (L)	3.0 [0.9]
FEV1% predicted	99 [13]
FVC (L)	4.0 [1.2]
FVC % predicted	101 [16]
FEV1/FVC	77 [10]
Duration of CPAP (y)a	1.0 [0.5–7.5]
CPAP pressure (cm H2o)a	8.5 [7.0–11.8]
AHI index on CPAPa	4.0 [0.6–6.0]
AHI index before treatmenta	42.5 [30.3–66.0]

BMI: body mass index, FEV₁: forced expired volume in one second; FVC: forced vital capacity; CPAP: continuous positive airway pressure; AHI: apnoea-hypopnoea index. ^aMean [SD] unless which represents Median [interquartile range].