Table 5.

Pearson correlation (r) for the relation of manual minimal RA area and automatic AI minimal RA area with RHC parameters

RHC parameters	Manual minimal RA area (n = 212)		Automatic minimal RA area (n = 212)
	r	p	r	p
mRAP	0.57	< 0.001	0.66	< 0.001
mPAP	0.40	< 0.001	0.50	< 0.001
Cardiac index	− 0.39	< 0.001	− 0.50	< 0.001
PVR	0.40	< 0.001	0.54	< 0.001
SvO2	− 0.44	< 0.001	− 0.55	< 0.001

RA, right atrial; AI, artificial intelligence; RHC, right heart catheterization; mRAP, mean right atrial pressure; mPAP, mean pulmonary arterial pressure; PVR, pulmonary vascular resistance; MvO2, mixed venous oxygen saturation