| Variable |
Mean |
Std deviation |
| FEV1 (absolute) |
1.18 |
0.24 |
| FEV1 (relative) |
90.3 |
17.83 |
| FEV0.75 (absolute) |
1.06 |
0.25 |
| FVC (absolute) |
1.28 |
0.25 |
| FVC (relative) |
92.44 |
17.86 |
| PEF |
2.16 |
0.73 |
| FEV1/FVC (absolute) |
92.18 |
9.38 |
| FEV0.75/FVC (absolute) |
83.43 |
12.6 |
FEV1 (absolute) and FVC (absolute): expressed in liters; relative values described
in percentages PEF expressed in liters/second |
