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Assuming a 30% prevalence of respiratory symptoms among the general population 27 , after applying continuity correction, the study required a total sample size of 426 to achieve a power of 80% for detecting an odds ratio of 1.8 11 at a two-sided p-value of 0.05

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We need to support the efforts of the IAFF, IAFC, NIOSH and other fire service organizations and qualified researchers who are studying firefighter gear before rushing to any judgment and potentially putting firefighters at increased risk of serious injury before the appropriate fire service endorsed studies have been completed

YTOOs Observation and Preparation As a professional e-liquid manufacturer, YTOO treats compliance as our lifeline: Full-line products TPD/MSDS certified, ready for quick zero-nicotine Longfill switch