Table 1:

Univariate analysis results for hemodynamic parameters between POR and POU groups^{^a}

Parameters	POR Group (n = 10)	POU Group (n = 20)	P Value
Unstable flow (pre) (No.) (%)	3 (30.0)	10 (50.0)	.297
Unstable flow (post) (No.) (%)	6 (60.0)	4 (20.0)	.028^{^b}
Inflow jet (pre) (No.) (%)	8 (80.0)	15 (75.0)	.760
Inflow jet (post) (No.) (%)	2 (20.0)	9 (45.0)	.180
Flow complex (pre) (No.) (%)	4 (40.0)	9 (45.0)	.439
Flow complex (post) (No.) (%)	4 (40.0)	6 (30.0)	.584
Velocity (post) (m/s)	0.03 ± 0.04	0.04 ± 0.05	.286
WSS (post) (Pa)	1.42 ± 2.55	1.07 ± 1.36	.792
Pressure (post) (Pa)	1487.31 ± 799.68	4127.68 ± 5613.52	.930
Velocity at neck (post) (m/s)	0.30 ± 0.33	0.20 ± 0.37	.567
EL (post) (W/m³)	906.32 ± 707.56	9871.75 ± 22215.52	.628
LSA (post) (mm²)	0.56 ± 0.32	0.74 ± 0.26	.147
OSI (post)	0.02 ± 0.06	0.00 ± 0.00	.428
TAWSS (post) (Pa)	0.39 ± 0.68	0.23 ± 0.29	.965
RRT (post) (sec)	1.46 ± 2.54	1.07 ± 1.36	.725

Note:—Pre indicates before; post, after.
↵a Continuous variables are expressed as mean ± SD. Categoric variables are expressed as (No.) (%).
↵b P < .05. The Mann–Whitney U test was used, with P < .05 considered statistically significant.