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. 2021 Sep 6;8(1):e000939. doi: 10.1136/bmjresp-2021-000939

Table 2.

Performance of pulse oximeters compared with arterial blood gas (using the metrics: mean bias, root mean square difference and mean absolute error)

All measurements including outliers Excluding outliers*
Mean bias (±SD) ARMS (%) MAE (%) ARMS (%) MAE (%)
AFAC FS10D −2.6±4.4 5.1 3.1 3.3 2.5
AGPTEK FS10C −2.2±4.0 4.6 2.9 3.0 2.3
ANAPULSE ANP 100 −4.8±5.9 7.5 5.1 5.4 4.4
Cocobear −3.7±5.1 6.2 4.0 4.3 3.4
Contec CMS50D1 −0.6±4.5 4.5 2.3 2.7 2.0
HYLOGY MD-H37 −3.1±4.9 5.7 3.5 3.6 2.8
Mommed YM101 −1.7±3.6 3.9 2.4 2.6 1.9
PRCMISEMED F4 PRO −2.4±6.4 6.8 3.5 3.5 2.6
PULOX-PO-200 −1.6±3.8 4.1 2.6 2.8 2.2
Zacurate Pro Series 500 DL −1.4±4.5 4.7 2.5 2.5 1.9

*Only values within the limits of agreement (within 1.96 SD).

ARMS, root mean square difference; MAE, mean absolute error.