Impact of respiratory cycle during mechanical ventilation on beat-to-beat right ventricle stroke volume estimation by pulmonary artery pulse wave analysis

Intensive Care Medicine Experimental

Table 3 Bland–Altman analysis of stroke volume obtained from PA_PWA analysis and reference

Baseline variable	Correction	Bias (ml)	LoA (ml)	Percentage error (%)
SV_PP	Non-corrected	4.2	[− 5.2–13.7]	26
SV_PP	Corrected	4.1	[− 3.6–11.8]	20
SV_SD	Non-corrected	1.9	[− 8.0–11.9]	29
SV_SD	Corrected	1.3	[− 2.4–5.0]	10
SV_SystAUC	Non-corrected	4.9	[− 1.7–11.5]	19
SV_SystAUC	Corrected	2.3	[− 1.9–6.5]	11
ARDS
SV_PP	Non-corrected	0.0	[− 6.6–6.6]	21
SV_PP	Corrected	− 0.1	[− 3.7–3.5]	11
SV_SD	Non-corrected	0.0	[− 8.3–8.3]	27
SV_SD	Corrected	− 0.5	[− 3.6–2.7]	10
SV_SystAUC	Non-corrected	3.1	[− 3.4–9.6]	20
SV_SystAUC	Corrected	1.0	[− 2.8–4.7]	11

Stroke volume obtained from pulmonary artery pulse pressure (SV_PP), standard deviation (SV_SD) and systolic area (SV_SystAUC). LoA limits of agreement