Table 10.3.
Median (IQR) values for measured optical scattering coefficient (μ s) and differential pathlength factors at four wavelengths
| Baseline | FiO2 60% | FiO2 100% | Return to baseline | |
|---|---|---|---|---|
| μ s 690 nm (cm−1) | 10.8(9.05–10.8) | 10.6(10.1–12.3) | 10.5(9.74–12.4) | 10.3(9.39–12.5) |
| μ s 750 nm (cm−1) | 9.93(9.02–10.2) | 10.0(9.04–10.5) | 9.76(9.00–10.6) | 9.89(8.99–10.7) |
| μ s 790 nm (cm−1) | 9.48(8.8–9.75) | 9.49(8.59–11.5) | 9.25(8.25–11.8) | 9.10(7.44–11.8) |
| μ s 850 nm (cm−1) | 9.10(9.0–9.70) | 9.40(8.76–9.80) | 9.36(8.68–9.54) | 9.35(8.9–9.4) |
| DPF 690 nm | 8.40(8.33–8.71) | 8.634(8.52–9.44) | 8.88(8.49–9.57) | 8.54(8.03–9.37) |
| DPF 750 nm | 8.15(7.9–8.24) | 8.12(7.76–8.44) | 8.32(7.96–9.11) | 8.15(7.87–9.05) |
| DPF 790 nm | 8.14(8.12–8.28) | 8.24(7.91–8.49) | 8.21(7.92–8.81) | 7.98(7.89–8.63) |
| DPF 850 nm | 8.07(8.06–8.52) | 8.00(7.73–8.40) | 7.94(7.66–8.37) | 8.00(7.83–8.31) |
No variable showed statistically significant variation from baseline