Table 2 agreement and mean difference of Finger, Toe, Earlobe and Forehead pulse oximeters comparing to Standard SaO2
Statistical index | Mean | SD | Mean difference SaO2-SpO2 | p-Value for t-test of mean difference | CI 95% for agreement |
|---|---|---|---|---|---|
SpO2 probe | |||||
Forehead | 95.55 | 1.75 | 1.25 ± 1.18 | < 0.001 | 0.38–0.62 |
Earlobe | 96.67 | 1.34 | 0.14 ± 0.86 | 0.019 | 0.67–0.87 |
Finger | 96.28 | 1.06 | 0.53 ± 0.79 | < 0.001 | 0.57–0.80 |
Toe | 96.52 | 1.06 | 0.29 ± 1.01 | 0.22 | 0.43–0.74 |