(Overview of the regression equations of respiratory resistance Rrs) as a function of height in healthy children
| Reference | Frequency band Hz | Subjects n | Age yrs | Rrs·· kPasL−1 | Rsd |
| 42 | –1535 | 16 | –35 | R(–)rs1535=−×+0.00529H1.102 | |
| 41 | 4, 9 | 130 | –314 | Rrs4=–×2.470.013H | |
| 36 | –310 | 121 | –416 | Rrs4=×1.87104×H–2.12 | |
| 38 | –226 | 138 | –216 | Rrs6=×9.210−5×H2–×+0.0341H3.52 | 0.15 |
| 40 | 2, 4, 12 | 218 | –218 | (logRrs4)=–×()4.4132.18log H | %10.2 |
| 34 | –226 | 255 | –212 | Rrs6=×0.00017H2–×+0.05407H4.77323 | 0.175 |
| 39 | 10 | 377 | –318 | Rrs10=–×1.3920.00635H | 0.066 |
| 44 | 5 | 247 | –36.5 | Rrs5=−×+0.009528H2.0643065 | |
| 45 | 8, 12, 16 | 199 | –317 | (ln Rrs8)=–×()10.9902.370ln H |
()H: height cm
Rsd: residual sd