Finding F-0518

“The CO2 concentrations were significantly higher in area A (median [IQR]: 681 [653–712] ppm) than in area B (524 [504–547] ppm; p < 0.001).”

Chou et al. Indoor CO2 monitoring in a surgical intensive care unit under visitation restrictions during the COVID-19 pandemic (2023). Frontiers in medicine. Page 1. CKB 5624

Structure

Factor: Carbon dioxide (CO₂)
Population: intensive care patients, staff and visitors
Setting: surgical intensive care unit, TW
Study design: retrospective analysis of continuous CO2 and PM2.5 monitoring at the workstations of two areas (A and B) of a surgical intensive care unit in Tainan, Taiwan, comparing standard and restricted visitation periods during the COVID-19 pandemic, workdays against non-working days and area A against area B (class 4)
Effect: median 524
Averaging time: median over the monitoring period

A Finding records what one published document states, verbatim and with its page. It is not a conclusion of Coridum; see the Claims that build on it.