Table 1.
Results of three-factor analysis of variance for hyperoxia and hypoxia experiments
| Dependent Variable | Factor | Degrees of Freedom | F | P |
|---|---|---|---|---|
| ΔV̇i | [Inspired oxygen] | 3 | 252.8 | <0.001 |
| Age | 5 | 7.35 | <0.001 | |
| Treatment | 1 | 0.11 | 0.75 | |
| Age × treatment | 5 | 3.1 | 0.012 | |
| ΔVt | [Inspired oxygen] | 3 | 69.9 | <0.001 |
| Age | 5 | 1.6 | 0.18 | |
| Treatment | 1 | 0.28 | 0.6 | |
| Age × treatment | 5 | 5.1 | <0.001 | |
| Δf | [Inspired oxygen] | 3 | 277.7 | <0.001 |
| Age | 5 | 11.4 | <0.001 | |
| Treatment | 1 | 3.8 | 0.063 | |
| Age × treatment | 5 | 1.92 | 0.096 |
ΔV̇i, change in inspiratory flow; ΔVt, change in tidal volume; Δf, change in breathing frequency; [Inspired oxygen], concentration of inspired oxygen.