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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.