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 outliersExcluding outliers*
Mean bias (±SD)ARMS (%)MAE (%)ARMS (%)MAE (%)
AFAC FS10D−2.6±4.45.13.13.32.5
AGPTEK FS10C−2.2±4.04.62.93.02.3
ANAPULSE ANP 100−4.8±5.97.55.15.44.4
Cocobear−3.7±5.16.24.04.33.4
Contec CMS50D1−0.6±4.54.52.32.72.0
HYLOGY MD-H37−3.1±4.95.73.53.62.8
Mommed YM101−1.7±3.63.92.42.61.9
PRCMISEMED F4 PRO−2.4±6.46.83.53.52.6
PULOX-PO-200−1.6±3.84.12.62.82.2
Zacurate Pro Series 500 DL−1.4±4.54.72.52.51.9
  • *Only values within the limits of agreement (within 1.96 SD).

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