Table 1.
Subjects’ anthropometric characteristics and recordings performed during a slow inspiration to total lung capacity (TLC)
| Subject | Age (years) | Height (m) | Weight (kg) | BMI (kg/m2) | Maximal peak Eadi (μV) during slow inspiration to TLC | PTPeso/breath (cmH2O*s) during slow inspiration to TLC | Inspiratory capacity (L) |
|---|---|---|---|---|---|---|---|
| 1 | 22 | 1.87 | 105 | 30.0 | 47 | 105.9 | 2.7 |
| 2 | 30 | 1.80 | 70 | 21.6 | 123 | 82.1 | 2.7 |
| 3 | 30 | 1.95 | 82 | 21.6 | 104 | NA | 3.3 |
| 4 | 26 | 1.83 | 67 | 20.0 | 91 | 61.1 | 5.9 |
| 5 | 32 | 1.71 | 59 | 20.2 | 90 | 31.6 | 3.8 |
| 6 | 21 | 1.78 | 67 | 21.1 | 173 | 72.2 | 4.7 |
| 7 | 20 | 1.67 | 60 | 21.5 | 99 | 35.8 | 2.8 |
| 8 | 20 | 1.71 | 63 | 21.5 | 98 | 80.5 | 3.1 |
| 9 | – | – | – | – | – | – | – |
| 10 | 30 | 1.80 | 65 | 20.1 | 46 | NA | 4.4 |
| 11 | 22 | 1.80 | 65 | 20.1 | 126 | NA | 4.3 |
| 12 | 28 | 1.70 | 68 | 23.5 | 63 | 72.8 | 3.9 |
| 13 | 23 | 1.85 | 80 | 23.4 | 64 | 95.9 | 4.2 |
| 14 | 25 | 1.75 | 85 | 27.8 | 88 | 92.1 | 4.0 |
| 15 | – | – | – | – | – | – | – |
| Median | 25 | 1.80 | 67 | 21.5 | 91 | 76.7 | 3.9 |
| Centile25 | 22 | 1.71 | 65 | 20.2 | 64 | 63.9 | 3.1 |
| Centile75 | 30 | 1.83 | 80 | 23.4 | 104 | 89.6 | 4.3 |
BMI body mass index, Eadi electrical activity of the diaphragm, PTPeso esophageal pressure–time product, NA not available