Result: A statistically significant difference was found across different smoking indices for computerized spirometer parameters forced vital capacity (FVC) and forced expiratory volume in one second (FEV1), marginal significance for peak expiratory flow, and no statistically significant for FEV1/FVC ratio and forced expiratory flow between 25 and 75% of vital capacity.
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Early Respiratory Mechanics Alterations in Smokers: Correlative Analysis of the Forced Oscillation Technique and Computerized Spirometry.
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The sentences
The PEF values (F = 2.388, p = 0.076) did not show a statistically significant difference among the different smoking index categories; however, the marginal p values for PEF suggest a trend toward significance, indicating that higher smoking indices might be associated with a decrease in PEF values, warranting further investigation with larger sample sizes.