Table 3a.
Systemic saturation characteristics
| Median SpO2, (IQR) | Changea | P valuea | Median systemic hypoxia burden, (IQR) | Changea | P valuea | |
|---|---|---|---|---|---|---|
| Invasive | 92 (91, 94) | −1.9% | <0.01 | 4% (1–10) | +4.1% | <0.01 |
| NIPPV | 94 (92, 96) | −1.0% | <0.01 | 2% (0–5) | +1.7% | <0.01 |
| CPAP, bubble CPAP | 95 (93, 97) | ref | 1% (0–2) | ref | ||
| High-flow NC (≥ 2 LPM) | 94 (93, 96) | +0.1% | 0.95 | 1% (0–4) | 0 | 0.94 |
| Low-flow NC (< 2 LPM) | 95 (93, 97) | −0.1% | 0.83 | 2% (0–5) | +1% | 0.46 |
| No respiratory support | 96 (95, 98) | −0.24% | 0.39 | 0% (0–1) | +1% | 0.18 |
Footnotes: IQR=interquartile range.
a
Change and pvalues represent estimated departure from reference (CPAP in all cases) in mixed-model regression analysis, using subject ID as random effect and accounting for repeated measures.