Arterial - calculated arterial values | Laboratory acceptable performance criteria^{#} | |

Subjects n | 38 | |

pH | -0.001±0.026 | ±0.04 |

P_{CO2} kPa | -0.09±0.55 | ±0.67^{+} |

P_{O2} kPa | ||

S_{p,O2} ≤96% | 0.11±1.05^{¶} | ±0.6^{§} |

S_{p,O2} ≤98% | -0.13±1.79 | ±0.6^{§} |

Data are presented as bias±2sd, unless otherwise stated.

*P*_{CO2}: carbon dioxide tension;*P*_{O2}: oxygen tension;*S*_{p,O2}: peripheral oxygen saturation.^{#}: acceptable range, assuming that these guidelines are comparable to a 95% confidence interval given by 2sd;^{¶}: n = 34;^{+}: original value given as ±5 mmHg;^{§}: original value given as ±3sd of measurement equipment error, where 1sd is assumed to be 0.2 kPa according to Radiometer AS (Brønshoj, Denmark) 10.