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Linear regression analysis during one-lung ventilation of TC-CO2 versus PaCO2 (above) and ET-CO2 vs. PaCO2 (below). Analysis of TC-CO2 vs. PaCO2 revealed r2 = 0.7827 and slope = 0.8142 0.0.07965 (95% confidence intervals: 0.6513 to 0.9771). Analysis of ET-CO2 vs. PaCO2 revealed r2 = 0.2989 and slope = 0.3026 0.08605 (95% confidence intervals: 0.1266 to 0.4786)

Linear regression analysis during one-lung ventilation of
TC-CO2 versus PaCO2 (above) and ET-CO2 vs. PaCO2 (below). Analysis of TC-CO2 vs. PaCO2 revealed r2 = 0.7827 and slope = 0.8142  0.0.07965 (95% confidence intervals: 0.6513 to 0.9771). Analysis of ET-CO2 vs. PaCO2 revealed r2 = 0.2989 and slope = 0.3026  0.08605 (95% confidence intervals: 0.1266 to 0.4786)