Table 1.
Mothers (N=59) | Children (N=59) | |||||
---|---|---|---|---|---|---|
Predicted Normal Value (mean±SD) | Best Effort (mean±SD) | % Predicted Normal Value† | Predicted Normal Value (mean±SD) | Best Effort (mean±SD) | % Predicted Normal Value† | |
FVC (L/s) | 3.32±0.40 | 2.60±0.45 | 78.63±10.99 | 2.77±0.72 | 2.25±0.68 | 80.09±28.65 |
FEV1 (L/s) | 2.79±0.36 | 1.94±0.51 | 69.78±16.58 | 2.57±0.66 | 1.76±0.54 | 69.29±15.01 |
FEV1/FVC (%) | 0.84±0.29 | 0.74±0.13 | 0.93±0.24 | 0.81±0.12 | ||
FEF25-75 (L/s) | 3.08±0.71 | 1.87±0.81 | 59.32±25.21 | 3.11±1.03 | 1.95±0.99 | 64.10±30.28 |
PEFR (L/s) | 6.11±0.31 | 3.52±1.45 | 58.47±23.21 | 5.78±1.17 | 3.25±1.48 | 57.97±24.59 |
p-values <0.05 for all variables when compared with the predicted normal values
Abbreviation: FVC–Forced vital capacity; FEV1–Forced expiratory volume in one second; FEF–Forced expiratory flow; PEFR–Peak expiratory flow rate