Anthropometric and mean (SE) lung function data of healthy controls and patients with HVS
| Controls | HVS | |
| No. | 13 | 16 |
| Male/female | 5/8 | 8/8 |
| Age (years) | 39 (4) | 46 (3) |
| Weight (kg) | 73 (3) | 80 (4) |
| Body mass index | 24 (1) | 28 (1)1-150 |
| Height (cm) | 174 (3) | 170 (2) |
| FEV1 (l) | 4.2 (0.3) | 3.8 (0.2) |
| FEV1(% pred) | 108 (4) | 100 (3) |
| FVC (l) | 5.1 (0.4) | 4.5 (0.3) |
| FVC (% pred) | 108 (3) | 103 (3) |
HVS = hyperventilation syndrome; FEV1 = forced expiratory volume in one second; FVC = forced vital capacity.
↵1-150 p<0.05 compared with controls (unpaired ttest).