Table 2. Reproducibility Sw and dynamic range ΔStO2 for each instrumenta.
| Instrument | Sw (%) | SE (%) | 95% CI (%) | ΔStO2 (%) | IQR (%) |
|---|---|---|---|---|---|
| INVOS 5100 | 5.4 | 0.5 | 4.4–6.5 | 45.0 | 29.7 |
| NIRO 200 NX | 4.4 | 0.4 | 3.5–5.2 | 46.8 | 29.4 |
| NIRO 300 | 4.1 | 0.4 | 3.3–4.9 | 44.8 | 40.1 |
| OxyPrem | 2.7* | 0.3 | 2.2–3.2 | 27.8** | 10.3 |
aSw, Ten resitings (m) in six subjects (n): mn = 60. SE, Standard error. ΔStO2: Three repeated measurements on four different sites in six subjects: n = 72.
*Significantly different from the other three instruments (p < 0.01).
**Significantly different from the other three instruments (p < 0.001).