TABLE 2.
Distribution of oxygen saturation and measured difference by instrument
| Measurement Instrument | ||||
|---|---|---|---|---|
| Measure | Control | OxyWatch | SM | Onyx |
| Total patients (N) | 200 | 198 | 200 | 200 |
| Oxygen saturation (%) | ||||
| Mean (SD)* | 96.08% (3.84) | 94.23% (4.70) | 95.02% (4.49) | 95.08% (3.90) |
| Min, Max SpO2 | 59%, 100% | 59%, 100% | 62%, 100% | 68%, 100% |
| Pearson Correlation Coefficient (P value) | Ref | 0.79 (< 0.001) | 0.76 (< 0.001) | 0.79 (0.001) |
| Difference in SpO2 (Control‐Measured; %) | ||||
| Mean (95% CI) | Ref | 1.87% (1.46–2.28) | 1.07% (0.65–1.48) | 1.00% (0.65–1.35) |
| Min, Max | Ref | −5%, 19% | −6%, 23% | −9%, 15% |
CI, confidence interval; SM, Santa Medical.
*Analysis of variance: P = 0 < 0.001; F value = 15.85.