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Table 1 Comparing the correlation and agreement of SpO2 of four probes with standardized SaO2

From: Accuracy of pulse oximetry in detection of oxygen saturation in patients admitted to the intensive care unit of heart surgery: comparison of finger, toe, forehead and earlobe probes

Statistical index

Correlation

Agreement

Probe type

r

p

CI

Rho

CI 95%

Finger

0.76

< 0.001

−1.02-2.08

0.68

−0.80- 0.57

Toe

0.60

< 0.001

−1.69- 2.28

0.58

−0.74- 0.43

Earlobe

0.77

< 0.001

−1.54- 1.83

0.76

−0.87- 0.67

Forehead

0.73

< 0.001

−1.07- 3.58

0.50

−0.62- 0.38

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BMC Nursing

ISSN: 1472-6955

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