. 2020 Mar 24;24(Suppl 1):87. doi: 10.1186/s13054-020-2772-3

Table 1 (abstract P091).

Correlation and agreement between measured and estimated dead space values

	Measured	Estimated	R2	Bias and limits of agreement
VD/VT	0.56 (±0.11)	0.61 (±0.14)	0.21	Bias= 0.05 (LOA= 0.21 – 0.31)
VDalv/VT	0.14 (±0.08)	0.3 (±0.12)	0.11	Bias= 0.17 ( LOA= -0.07 – 0.41)
Anatomical dead space fraction (VDanat/VT)	0.45 (±0.11)	0.34 (±0.06)	0.12	Bias= -0.11 (LOA= -0.33 – 0.11)
VCO2	208 (±66)	178 (±49)	0.39	Bias= -29.7 (LOA= -132 – 73)