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  • Title: [Spirometric studies in clinically healthy workers in steel mills. I. Effect of age, body height and body weight on the variability of selected ventilation indicators].
    Author: Kolarzyk E, Kieć E.
    Journal: Med Pr; 1982; 33(5-6):309-16. PubMed ID: 7182712.
    Abstract:
    Of 2750 examined workers of the Lenin steel mill a group of 520 so called healthy men aged 20-60 has been selected, who had developed chronic specific and inspecific diseases of the respiratory tract, and circulatory diseases during myocardial insufficiency and arterial hypertension. This population underwent tests performed by the F function, test of significance of differences between coefficients of multiple determination in the function of age, growth and body weight, and in the function of: age and height; age and body weight, height and body weight, which allowed to determine the contribution of age, height and body weight in the significance of the following spirometric indices: VC, FEV1%VC, RV, ERV, FRC, RV% TLC, TLC. Age exhibited statistically significant contribution to the total variance of VC, FEV1%VC, RV, ERV, FRC RV%TLC, and insignificant--in case of TLC. Height exhibits significant impace on VC, RV, ERV, FRC, TLC, RV%TLC. Statistically insignificant dependence on height was obtained in case of FEV1%VC. Inclusion of body weight showed a statistically significant explanatory value for VC, RC, ERV, FRC RV%TLC, and insignificant for TLC and FEV1%VC.
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