Table 1.

Different criteria (ASE and NIH) for RAP estimation

dIVC	cIVC	RAP (ASE Criterion)	RAP (NIH Criterion)
$\le$ 21 mm	> 50%	3 mmHg	5 mmHg
$\le$ 21 mm	< 50%	8 mmHg	10 mmHg
$>$ 21 mm	> 50%	15 mmHg	15 mmHg
$>$ 21 mm	< 50%	15 mmHg	20 mmHg