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  • Title: [Statistical study on correlations between spirometric data and arterial blood gas tensions. I. Under testing conditions].
    Author: Neukirch F, Du Perron MC, Verdier F, Legrand M, Brĕant J, Fleury MF, Marion C, Drutel P.
    Journal: Respiration; 1975; 32(2):165-78. PubMed ID: 1118678.
    Abstract:
    Spirometric data, resting Pao2 and Paco2 have been statistically evaluated in 152 patients with chronic obstructive bronchitis. Spirographic studies show a restrictive and obstructive syndrome, associated with hypoxaemia and hypercapnia. Partial correlations show that Pao2 is positively correlated with age and negatively with VC (predicted percentage) and with FEV1 (predicted percentage); Paco2 is only correlated with FEV1 (predicted percentage). FEV1 (predicted percentage) divides the patients into two groups, the hypercapnic and normocapnic. These data show the interest of the FEV1 (predicted percentage) values.
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