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Table 2: Aneurysmal pressure, flow velocity, and hemodynamics
Parameter 3D-DSA (Mean) 4D-DSA (Mean) r
Intra-aneurysmal pressure_systole (Pa) 502.8 ± 242.24 492.2 ± 300.07 0.903 (P < .001)
Intra-aneurysmal pressure_diastole (Pa) 189.3 ± 99.13 181.4 ± 114.4 0.842 (P = .002)
Flow velocity_systole (mm/s) 80.8 ± 50.94 74.89 ± 48.02 0.930 (P < .001)
Flow velocity_diastole (mm/s) 31.61 ± 22.2 29.9 ± 21.45 0.952 (P < .001)
AWSS_systole (Pa) 0.933 ± 1.02 0.835 ± 0.853 0.936 (P < .001)
AWSS_diastole (Pa) 0.26 ± 0.28 0.24 ± 0.25 0.918 (P < .001)
MWSS _systole (Pa) 5.95 ± 1.83 5.63 ± 1.64 0.927 (P < .001)
MWSS _diastole (Pa) 1.84 ± 0.73 1.78 ± 0.69 0.879 (P = .001)
IZ (mm²) 12.4 ± 14.2 8.9 ± 6.81 0.957 (P < .001)
LSZ (mm²) 254.6 ± 203.55 263.9 ± 199.08 1 (P < .01)

Parameter	3D-DSA (Mean)	4D-DSA (Mean)	r
Intra-aneurysmal pressure_systole (Pa)	502.8 ± 242.24	492.2 ± 300.07	0.903 (P < .001)
Intra-aneurysmal pressure_diastole (Pa)	189.3 ± 99.13	181.4 ± 114.4	0.842 (P = .002)
Flow velocity_systole (mm/s)	80.8 ± 50.94	74.89 ± 48.02	0.930 (P < .001)
Flow velocity_diastole (mm/s)	31.61 ± 22.2	29.9 ± 21.45	0.952 (P < .001)
AWSS_systole (Pa)	0.933 ± 1.02	0.835 ± 0.853	0.936 (P < .001)
AWSS_diastole (Pa)	0.26 ± 0.28	0.24 ± 0.25	0.918 (P < .001)
MWSS _systole (Pa)	5.95 ± 1.83	5.63 ± 1.64	0.927 (P < .001)
MWSS _diastole (Pa)	1.84 ± 0.73	1.78 ± 0.69	0.879 (P = .001)
IZ (mm²)	12.4 ± 14.2	8.9 ± 6.81	0.957 (P < .001)
LSZ (mm²)	254.6 ± 203.55	263.9 ± 199.08	1 (P < .01)