An interlaboratory study of blood-gas analysis: dependence of pO2 and pCO2 results on atmospheric pressure
Burnett, R.W.; Itano, M.
Clinical Chemistry 35(8): 1779-1781
1989
ISSN/ISBN: 0009-9147 PMID: 2503269 Document Number: 3773
Blood-gas data from a large interlaboratory survey were analyzed to determine whether pO2 and pCO2 results are affected by the atmospheric pressure at the measuring location. A small but statistically significant dependence was found, averaging about 2.3% per 100 mmHg (1.7% per 10 kPa) for pO2 and 1.0% per 100 mmHg (0.75% per 10 kPa) for pCO2.
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