Increased CO<sub>2</sub> levels in the operating room correlate with the number of healthcare workers present: an imperative for intentional crowd control.

Patient Saf Surg · 2022 · PMC9672642 · PMID 36397098

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a clear trendno p-value reported

Note that the levels of CO 2 obtained will vary with individuals, activity levels and ventilation rates, however, our data shows a clear trend indicating that higher CO 2 levels are detected when the number of occupants in a room increases.

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