Table 3.
Simple regression norms for the prediction of pulmonary function measurements from age and body height in the studied population
| Pulmonary Function Measurement | Regression Equation | R | R2 | SEE |
|---|---|---|---|---|
| VC (l) | VC = 0.206 A – 0.3558 | 0.75 | 0.56 | 0.38 |
| FVC (l) | FVC = 0.179 A – 0.0186 | 0.69 | 0.48 | 0.39 |
| FEV1 (l) | FEV1 = 0.219 A – 1.2328 | 0.71 | 0.50 | 0.46 |
| FEV1% (%) | FEV1% = 1.452 A + 59.106 | 0.42 | 0.18 | 6.74 |
| PEFR (l.min-1) | PEFR = 19.57 A + 252.78 | 0.60 | 0.36 | 55.61 |
| VC (l) | VC = 0.087 H – 10.45 | 0.89 | 0.79 | 0.27 |
| FVC (l) | FVC = 0.077 H – 9.03 | 0.84 | 0.70 | 0.30 |
| FEV1 (l) | FEV1 = 0.096 H – 12.48 | 0.87 | 0.76 | 0.33 |
| FEV1% (%) | FEV1% = 0.702 H – 26.78 | 0.57 | 0.32 | 6.12 |
| PEFR (l.min-1) | PEFR = 10.287 H – 1142.10 | 0.88 | 0.77 | 32.63 |
Abbreviation: A = Age, H = Body height, SEE = standard error of estimate.